...her lipstick was a little bit smeared.

+++ I have rewritten the last part of this chapter +++

Mia was still very horny from the amazing orgasm she just had seconds ago, loving that feeling that his hot shaft was remaining fully erect inside her. He hadn’t come yet, his cock ready for a second round. She didn’t know exactly when she would be ovulating or if her married womb would be fertile right now, but she didn’t care anymore. She was living one of her wildest nights ever; she could always take the morning-after pill back home. The mere thought of fucking a big stranger in an exotic Caribbean location, such as Playa del Carmen, completely unprotected, gave her the chills. She wanted more of them.

She felt the diver's cock twitch inside her, and at the same time, he was grinning at her. The bastard was playing with her; she loved it! She remained seated on his hard cock, facing him, and decided to tease him back by moving her pelvis in a rhythmic, coordinated thrusting, using a combination of forward-backward tilting, alternating it with grinding motions. Now she was doing the fucking.

She held me with her arms on my shoulders as she was riding me. I didn’t have to do anything but stay hard. I couldn’t help grabbing her perky titties, which were moving just in front of my face. But she was in command.

“You like it?" She asked me with a sexy voice.

"Oh," I moaned.

“I want to cum again," Mia said, her pelvis kept rocking back and forth on my cock, its big head continuously rubbing against her cervix. She was now less hurried, not caring anymore if her husband was waiting at the bar for her to finish dancing or not. She enjoyed the slow fucking sensations on her sensitive clit, savoring the stretching of her cheating cunt. There was no other word for it, she thought. She kept a steady fucking cadence with her pelvis, thinking, I am a cheating wife now.

“You tricked me, bad boy.” Mia grinned, but she kept fucking me.

“Don’t you like it, Mia?”

“Oh, I like it. I like it a lot, bad boy!”

“But I didn’t cum in you.”

“That is true.” Mia replied, adding in a sultry voice, “I am merely sitting with my fertile pussy on a loaded weapon, that’s all…" Smiling at me, her hips grinding my hard cock back and forth, keeping my swollen balls highly aroused, I was oh so close to filling her with my hot seed.

“Do you want me to have your bastard baby?” Mia whispered, “Knocking up somebody else’s wife?”

She felt his cock twitch with those seductive words. So typical of alpha males, she thought. Breeding is their only drive, especially if they can mark their territory with a married woman. I should mark him too, she thought, quickly leaning in, her teeth softly nibbling on the side of his neck. She then formed with her lips against his skin an "O," breathing in, sucking, and creating a vacuum effect, leaving a red, oval-shaped bruise. Moving her lips to the other side of his neck, she repeated the hard sucking on her lover’s skin, causing another one. Pulling her face away, she checked the result and was very satisfied; no woman could miss her markings for the next two weeks; she would have his cock exclusively.

“Do you want to make a baby?” Mia whispered.

“Yes!”

“I can’t have a baby; we have to be careful!” Mia replied. “Will you pull out?”

"Yes," I replied.

“Then let me fuck you.”

And she did.

“Carry me to the bed and lie down on your back" was the first thing she said. I complied, carefully keeping my cock inside her married slit.

“Good boy.” Mia said, having a more dominant tone in her voice.

She placed her knees on either side of my legs, straddling my hips, slightly changing the angle of her cunt on my cock, making sure she would have my hard shaft against her clit the entire time. Instead of fucking me up and down, she started grinding me back and forth with quick, short movements, exercising more stimulation on her swollen clit. It was a less intense position for me because she was riding my lubricated pole, not so much the cockhead. She wanted to ride me as long as possible, enjoying her fuck like a ready, fertile wife.

She needed to be careful; if this went wrong, she would have a baby belly, but the knowledge she might get knocked up was the most erotic moment of her life.

I held her hips in my hands, guiding her movements. Out of nature's instinct, one of Mia's hands went behind her back, tickling my enlarged balls, getting them ready, and making sure my cum would soon be deep inside her as her other hand caressed my legs with her nails, adding more arousal to our copulating.

But she shouldn’t do this, she thought. He might not stop on time. He would fill her womb with his hot seed, and she didn’t want that, didn’t she?

Playing with me like that made my balls near exploding. The one hand cupping my balls noticed this; she felt the stiffness of my balls under the contracted skin. Soon she would be filled with his blonde babymakers if she didn’t stop right there, she thought. She shuddered, speeding up the grinding, her body wanting to please me, wanting to have my baby.

She noticed what her body was doing, her feelings misleading her tremendously; on one side she had this big yearning for his strong baby seed, but her brain told her to have him pull out. Her body wanted the genes of this big, blonde, muscular stud, a true alpha male, when she compared him to her husband's looks. Her diver would be the perfect reproduction tool. But her friends would know when two parents, both with black hair, get a blonde baby...

“Shall I stop?” I asked her.

She had been quiet the entire time as she kept grinding me.

I asked again.

She whispered softly, “Make me a mommy.”

And that was all she had to say to get me over the edge. My balls contracted right away; I now held her pinned down on my pumping cock. Shot after shot of hot seed was dumped into her ready cervix; Mia counted at least 6 loads on their way to knock her up. She knew that this was not about the fastest spermatozoa, because many sperm are lost along the way. Survival, rather than pure speed, is key. Therefore, the number of cum shots was important; her diver sure did a good breeding job, endlessly pumping her full of baby batter. Her thirsty oviducts happily sucked in the invading spoo towards her awaiting ovum. From the sheer thought of being knocked up, Mia had an earth-shaking orgasm, screaming my name, collapsing on my chest.

...

“I want to see you again.” Mia whispered, enjoying the sexual afterglow of my hot cum inside her full womb, lying on her back next to me.

“Me too," I replied.

I saw some drops of sweat on her sweet, flat belly, wondering if she was really unprotected. I think she had told me the truth, though. If I did things right, she might not have a flat belly anymore in a couple of months, showing that lovely little baby bulge. I wondered if she was still having sex with her husband, but I didn’t think so. Either they wanted a baby, or she would be on the pill.

“How do we do this?” Mia asked.

“Why don’t you book your hubby a fishing trip?”

“Good idea!” Mia smiled. “I will need your phone number.”

I grabbed my mobile, showing her my number. “Just call this number.”

She quickly grabbed hers, calling me afterwards, saving the number.

“I have to go.”

“Yes, don’t keep him waiting.” I replied, “How long are you staying in Playa?”

“We just arrived; another ten days.”

“Plenty of time. Once you have the chance to meet again, I will pick you up. In what resort are you staying?”

“Iberostar Tucan.”

I smiled. In that same resort was my employer, the diving school. Good thing that I had the week off.

“I will pick you up by taxi so we can go to my place.”

“Promise?”

“I promise.”

...

After roughly 50 minutes, she came back to her husband, a bit in a hurry, her forehead glistening from sweat. She was glowing, looking radiant. She had that typical, beautiful glow women have after sex.

“There you are! ”He said loudly, I missed you a little.”

“It was fun!” Mia replied. “I had a lot of fun.”

“You look good.” Her hubby said. “Dancing sure makes you look sexy.”

Mia smiled but didn’t reply.

“Shall I order you a new cocktail?”

“No, just get me a Coke; I am thirsty.” She didn’t want to drink any ****, didn’t she? Not good for pregnant baby bellies…

“You look as if you just came from running.”

“You might be right; I guess I came from running.” Mia smiled.

Her husband looked at her again, seeing that her lipstick was a little bit smeared; plus, her hair was somehow undone, which was so atypical of Mia. Normally, she was taking great care of her looks, he thought.

Mia noticed him looking at her and grabbed her purse to touch up her mascara. She was relieved the damage was less than she had expected. Yes, she looked a bit sweaty, but she had been dancing, right? Only the lipstick needed a touch-up. She knew why. Just before leaving the hotel bed, she had taken the diver's hot, flaccid cock in her mouth, her tongue playing with the red knob, sucking it clean. He tasted salty-sweet, but in a nice way. Next time she would give him a blowjob, she decided. By sucking him a little bit, she wanted to leave him a little reminder, making sure he would see her again.

Mia felt good. Fulfilled, relaxed. She felt affectionate, she thought, but toward whom?

As her hubby turned around with their drinks in both hands, she grabbed his face, French-kissing him deeply, in an amorous way. She wanted to somehow share the happiness of her recent breeding she got from me and the prospect of getting plowed again in a day or two. She was already calculating how many days she would be able to meet her “Diver” in the remaining 10 days. Her husband held still in place, holding both drinks with big, surprised eyes. She hadn’t been so passionate with him for a very long time. Vacation is always good, he thought.

As she finished tonguing him, she simply pulled out her little beauty mirror, retouching her lipstick, as if nothing had just happened between them.

“Thanks.” She said, after storing the lipstick, grabbing her Coca-Cola, and acting innocently. Well, besides perhaps already carrying a diver's baby, that is.

Her hubby started talking about something, but she wasn’t listening, her mind somewhere else.

She smiled, thinking of the very first affair she just had. It was much hotter than she had expected it to be. At a certain point, her instinct told her that he was about to cum inside her; she stopped riding him, lifting her pussy high up from his cock, only to leave the swollen head inside. Her small hand found the fat seed tube underneath it, marvelling at its thickness. She traced it with her nails along the way, starting at his balls all the way up to where their bodies were intertwined, caressing it up and down. This tube will make me a mommy, she thought, if I am not careful, but she kept stroking it. A shudder ran through her, thinking that this might be the first time in her entire life she might get pregnant.

“Will you knock me up, babe?” She whispered to her affair, not waiting for his answer, deciding for both of us, resuming fucking that marvelous cock.

“Mia?” Her husband said. “Are you there?” He asked.

“Hi, what were you saying?” Mia asked him.

“I wanted to ask you for your consent.”

“About what?”

“I want to learn how to dive.”

“Sure. OK. Yes, sure, fine with me. Why do you ask?” Mia replied.

“Well, I would be gone four days in a row, plus I might have to study a little bit at night. That means that I wouldn’t see you much during those training days. Only at lunch and at the end of the day.”

"That's OK.” Mia reassured him, “Go ahead. When do you start?” Thinking about the possibilities his diving would give her.

“I could start tomorrow morning at 9 AM.”

“What kind of schedule do you have?” the adulteress asked.

"Four days from 9 AM till lunch and then again from 1 PM till 6 PM.

“What does this so-called lunchtime mean? Like 12 o’clock?” Mia scrutinized a bit further.

“They were vague about that; I guess it has to do with boats returning or how good a student is."

“OK, sure! Go ahead, I am really fine with it. But tomorrow afternoon I will go shopping then. Is that OK with you?”

“Of course!” he replied right away, grateful that this would be the only punishment.

Her husband was relieved that she took it so well; Mia could see it in his face.

“I have to freshen up; can you get me another Coke?”

“Sure.”

Mia left him, walking towards the bathroom, pulling out her mobile phone. She was going to see her diver five days in a row! She shivered at the thought of what he could do to her pussy if they had a little bit more time. They could fuck whenever they wanted, for several hours. She just had to shop for a couple of things as an alibi on her way back to the hotel, not to forget to remove the price tag, because it had a date and time stamp on it. She quickly sent a WhatsApp, asking her diver to pick her up at 2 PM. She was careful in not leaving the hotel too early; she wanted to get ready for him after her husband would be gone. You don’t need to wear lingerie for shopping, right? You wear lingerie for fucking. She grinned at her own little joke.

She went inside the bathroom, waiting for the message beep. It didn’t come. Of course! She thought, "I might need Wi-Fi!" She walked towards the bar counter, asking for the Wi-Fi password. Three messages popped up. One was from him. He had sent a teasing answer: “You better get some sleep... ;-).” She smiled. They were all set now.

She walked back to her hubby feeling sexy. Suddenly she felt it. She turned around on the spot, quickly walking back into the bathroom. His cum was leaking on her thighs! She must have lost her slip at a certain point during the affair; she had forgotten all about it. She went into the first bathroom stall, lowering her skirt. Yes, she saw two long ropes of thick cum stuck to her thigh. She quickly rinsed it away with some water, drying her legs with paper towels, grinning. He had enough seed for two. She quickly checked herself in the mirror before she walked out again.

"Let's go back,” Mia said to her husband. “You need to be fit tomorrow; we both do.”

Back in the hotel he tried some romance, but she was not having it. “I am tired.” She simply said it, switching her side table light off.

But Mia was not tired at all. She was wide awake but kept her eyes closed. Thousands of exciting thoughts flew through her mind: about tonight, about the coming days, about the escapade she was having at a tropical destination, and about storing his cum in her unprotected womb. Would she have a baby after only cheating once? When was her cycle again? Too many unanswered questions. She fell asleep with a smile on her face.

...

At breakfast, her husband was all excited about his diving course. He kept telling her stuff she didn’t care for. She decided to have a healthy breakfast with eggs, avocado, porridge, Greek yogurt, and some fruits. She read somewhere that bananas are good pre-workout fruits. She laughed. Her hubby stopped talking and looked at her, not understanding. She has behaved differently since last night. Somehow happier. His wife was humming songs at the breakfast table, lost in her own world; that's how it felt. He smiled. She must be excited about the shopping spree she was going to have.

“Ready for your action?” He asked her.

“What?” Mia asked, surprised. “What action?” She pretended to not understand.

“Your shopping?”

“Oh!”

“You forgot?”

“No, no. I didn't; I was just planning my day in my head, that's all. I think I will hit the beach after breakfast. When will you be back again?” Mia asked.

“I guess latest at 1 PM and around dinner, perhaps 6 PM?”

“Good. Let’s try to have lunch together. I will be in the room waiting for you. After lunch, I walk with you to the dive center."

“That’s so nice of you!” her hubby replied.

Well, truth is, Mia wanted to make sure he was gone so she could get a nice fat cock deep inside her.

"I will be back at 6 PM too.” Mia replied.

“That late?”

“The shops are open till 10 PM.”

“OK.”

“I have to go; see you later.” Her husband added, leaving the breakfast table.

“Have fun!”

“You too!”

Mia stood up to get some more eggs with bacon. She had quite an appetite today. Was this the before or the after thing, she debated, smiling? In her head she was already thinking about what to wear for her lover. Better said, what not to wear. She had a bit of color from the two beach days she had enjoyed, but she was not as tanned as she would like to be. Her white lingerie would not have the same effect as the black, so the choice was made. She was thankful she had packed two sexy lingerie sets for this vacation, even if she did not expect anything from her husband. She hadn’t planned on flirting with him either. Somehow, she just had packed them.

"He loves to undress me," she remembered, "so I will wear a slip too." She had brought this black transparent tanga slip, which would do well. It looked like a regular slip with a lace trim from the front, but if you were to look at her butt, it showed a small tanga with cross straps around her waist to keep it in place. Very sexy. What else? Her push-up. She was of a more petite build, but the push-up would make her 36C breasts look one cup size bigger. What about stockings? She only brought her black hold-up stockings; she really didn’t know if she could find a garter belt here in Playa del Carmen.

That should do, she thought. But I don’t think he wants to see me with clothes on, she thought, smiling. What would she wear? Oh, she remembered now; she had seen in the lobby shop a black cut-out dress for clubbing, which would perfectly suit her date. She finished her breakfast and walked to the shop; it was only 9:30 AM; she had plenty of time to get ready. The dress was still there; she quickly found her size. She saw another clubbing dress in black. She tried it on; it made her look elegant but a bit slutty. "Perfect," she thought. I will wear this tomorrow. Perhaps she had time to shop for some lingerie before returning tonight.

Mia went back to the hotel room and stored away her clothes. Time to get a tan. She was about to put on her conservative bikini but then remembered she brought a very sexy one too. It was very revealing, barely keeping her boobs in place, and the tiny T-string didn’t help either. Was this too much for the resort? But she felt slutty after having cheated for the first time on her husband, and she liked how she felt. Was this the new Mia?

Most pool loungers were occupied or reserved with stupid towels, but she was able to find two available ones in the last row. She didn’t mind; there was plenty of sun here too, and she was not looking for a date here. No, her date was already set up. And his cock too, her little voice whispered.

Time went by quickly, and just before noon she went back to their room, just as any good wife would do. About half an hour later her husband returned, telling her he only had 30 minutes for lunch; they would go dive in the pool!

“No worries, let's quickly grab something to eat,” she replied, “but light and healthy. You shouldn’t exercise on a full meal.”

Neither should she… was her first thought, as the words left her mouth.

Quickly grabbing some sandwiches to go and a couple of mineral water bottles, they walked together towards the beach, where the diving center was located. As soon as they arrived, he almost forgot about her, being thrilled to do his first dive ever, even if it was a plunge in the pool. He gave her a quick peck on her cheek, hurriedly saying, “See you later!” and off he went.

Mia checked her watch; she had one hour to get ready.

Back in their hotel room, she undressed, taking a long hot bath. The bathing oils she added would make her skin feel softer. She shaved her legs. After the bath, it was pussy-shaving time! She carefully made her pussy mound stubble-free, afterward rubbing some jojoba oil on the shaven spots. As she was done rubbing body lotion on her body, she carefully placed her outfit on her bedside. She almost forgot what shoes would match but found a pair of sexy beach sandals. High heels would look weird, she decided.

Perhaps they would meet at night one day. She would love to go back to that hotel to relive their first encounter. Seeing what time it was, she dressed and went into the bathroom to apply lipstick. In the lobby she had bought Chanel 31 lipstick, a bright red color, perfect for leaving a trace on his cock.

Perfectly on time, at a quarter to two, she was ready. She walked towards the gates of the hotel. A husband looked at her a bit longer; two younger guys tried to approach her, but she ignored them.

Arriving at the gate, she saw him on the other side of the road, leaning against a wall near the taxi stand. He looked good with his bronze tan, his laid-back blonde hair, and the off-white linen beach pants. The bright white T-shirt made his look perfect. He wore those little Mexican bracelets on one wrist from the other night, this time a diver's watch too. He saw her, reacting quickly, showing that beautiful white smile, crossing the street towards her.

“Hi!” I said to Mia, “Care for a taxi ride?" while smiling at her. For more privacy I had not kissed her hello; there would be plenty of kissing very soon.

“You came," Mia said, happy and relieved.

“Of course!” I replied.

I opened the door for her, telling the driver through his open window to take us to “La Cueva del Chango," a perfect spot near the beach but far enough from where the diving boats would anchor to have brunch. I told Mia where the cab was taking us. She was not hungry, but she liked the idea of having some kind of "date" instead of jumping right away on each other. Like a seduction starting almost from scratch. She thanked me for the idea, asking me how I have been.

“Thinking of you.” I replied, without thinking.

The skin on her arms betrayed her, showing me little goose bumps. She liked my answer. I placed my hand on her naked thigh, between the stockings and her dress, keeping it there, my fingers absently moving back and forth over her skin. For me it was a small gesture, but Mia felt her arousal all the way deep inside her pussy. I won’t be able to eat anything if he keeps doing this at the restaurant, she thought. As we were about 5 minutes away from our destination, I slid my right hand into the inner side of her thigh, in that sexy thigh gap she had, my little finger pressing against her pussy mound. She let out a little sigh when my finger touched her there for the first time; I could already feel how damp she was. Perhaps I could play at the restaurant with her pussy, I thought, if I sit next to her.

As we arrived, I paid the cab driver. Pointing at the restaurant, I told Mia that they have a large terrace with a sea view. I quickly spoke to the waitress, asking if we could sit on the terrace. "Yes, no problem," she said, "choose any table you like." We walked through the restaurant, finding ourselves a nice table on the far left, with some privacy for us. We both sat with our backs to the wall, having a perfect view. Mia loved being out on a date, discovering this new place, and the anticipation of what would come after he would take her to his studio. She felt so young and excited again!

...

Perfectly on time, Mia was back at the resort. As she entered their room, she was startled, seeing her husband lying on their bed. She quickly went into the bathroom before he could look at her, mumbling "toilet." She looked in the mirror and quickly started fixing her hair. It wasn’t a mess, but it was not the way she usually looked. The rest was fine this time. She applied some more mascara and lipstick, and as she checked herself again in the large bathroom mirror, she was content with the result. No need to change her clothes.

"Let's go have dinner,” she said to her hubby, “and then you can tell me all about it!”

“You didn’t flush?”

“Oops!” Mia replied, quickly walking back to the bathroom, flushing an empty toilet.

Since they didn’t know exactly at what time he would be back, they hadn’t made any reservations, so they went to the buffet restaurant instead. Both were very hungry. Mia smiled as she saw that her plate was as full as his, but he didn’t realize this, as he had already started talking about the pool dive before they even found an available table.

“We spent two hours under water!” He proudly said as they walked towards an empty table that was being cleaned by a waiter. They sat down, and as he was telling her all about his adventure, she kept quiet and pretended to listen, as she was remembering her own adventure.

They spend about an hour at the restaurant. He was witty. Paying attention to her. Genuinely interested in her. And sexy, very sexy.

“Would you like to see my place?” I softly asked her after my fingers had been playing with her pussy the last 10 minutes, and she was about to jump on me right there.

“Yes!” She answered right away, a bit too loud. Mia was very aroused, and her pussy was aching for meat.

I paid the waitress and asked her to call a cab. Until the cab arrived, I turned towards Mia and inserted my middle finger in her sopping wet pussy. Mia let out a moan, and she continued moaning as I started finger-fucking her slowly. Her body was quickly responding and screaming for his cock, but they couldn’t do it here!

“Ah, stop, please!” She pleaded with him.

I didn’t stop.

“Aaargh… please!” she begged. “Not here! We can’t.”

I stopped, slowly pulling my middle finger back.

As his finger left her pussy, she missed it already. But soon she thought he would give her something much better. She took a sip of her drink and tried to get her breathing regulated again. The waitress announced that the taxi had arrived, and they both stood up. Mia smiled, seeing that he had a large tent in his pants and was certainly not immune to her. He tried to cover it with his arms, but even the waitress saw it. Mia and the waitress exchanged looks, sharing a mutual understanding.

…

“Mia?”

“Mmmh, what?”

“Are you listening?” her husband asked.

“Oh, sorry! I got carried away. What did you say?”

“Tomorrow afternoon I will do my first two real dives!”

“Cool! Same time again?”

“Yes.”

“Excellent!”

She asked him a couple of questions, just to be polite, but the truth is, her mind was somewhere else. Her pussy too. She excused herself and went to the bathroom, quickly sending her diver a message. It only said, "2 PM again." His reply was quick; it simply said, "Love to!" Mia deleted both the sent and incoming texts and went back to their table.

As they were back in their room, her hubby quickly fell asleep, snoring loudly, being tired from studying and the pool party. Mia decided to take another bath, instead of having to rush tomorrow, before meeting her stud again. She slowly undressed in the bathroom in front of the large mirror as the tub was being filled with hot water. She could use a hot bath; she felt a “bit used."

What's that? She wondered, as she saw a bruise on the inside of her thigh.

Fuck!

A hickey!

Did he do the hickey on purpose? She didn’t even remember him doing it. But he went down on her a couple of times. When did he do this? She wondered.

Perhaps that one time as she was shaking from her orgasm? Him lapping her juices and licking her extremely sensitive clit, swollen from the beating his cock had given her, as her orgasmic juices were flowing, giving her another tremendous orgasm. She remembered that the overload of her senses made her arch her back, lifting her half off the mattress. That must have been his hickey moment. She smiled again; that was his little **** for the two hickeys she placed. The spot couldn’t be more intimate. He is knocking me up and still wants to mark me. She had to laugh.

Twice fucked.

Mia grinned, laughing at her own little joke. She didn’t care; she felt wonderful and very satisfied. He had fucked her endlessly, and she had quickly lost count of her own orgasms. Her pussy felt used and very raw, but in a good way. Fulfilled. And he was going to do her again tomorrow! She shivered at the thought.

I have to hide it! My husband can’t see it!

She should wear a pareo at all times when he is around, she decided. Perhaps lie more on her stomach, reading a book. She was happy he didn’t go down on her anymore!

Mia put on a babydoll, nicely covering the bruise.

I will get him for this.

…

At breakfast Mia finally had an idea how to trick her stud. She would tell him today she had her period.

"What's that?” her husband asked as he saw her smile.

"Oh, nothing, dear. Just happy about the shopping romp I had.”

“Today again?”

“Oh no!” Mia replied with a sigh. “I can barely walk anymore, dear.”

To be continued.