On all fours on the edge of the bed.

"Get on your hands and knees on the edge of the bed," I suggested. If we had more time I would have wanted to try the more kinkier positions we had done during our swinging days so the old standby doggy-style position would do the job.

Emma excitedly got into position, welcoming me with her pear-shaped ass raised in the air. I could see her dripping wet snatch peeking between her ass cheeks. She looked back over her shoulder with lust in her bright blue eyes, indicating there would be no foreplay, just unadulterated sex.

"Please fill me with your baby batter," Emma begged when I stood behind her.

I paused just as I was about to slip the tip of my cock between the folds of her pussy lips.

She noted my hesitation and smiled. "We're not having an affair. Our spouses agreed to this -- the four of us fucked last night, remember? Your wife wants us to conceive a baby through love and not emotionless sex." But before I could act any lingering doubts of what we were doing, she pushed her ass back and my cock slid into the warm depth of her pussy. There was no turning back so I started thrusting in and out of her.

Emma gripped the blanket as I began to pound her faster and faster. Her huge tits swung back and forth as her body absorbed the pounding I was giving her. I held onto her wide hips to help guide my cock into her cunt. She mewled as she started to climax.

That excited me, causing me to hammer her pussy even faster. Overwhelmed by her orgasm, she collapsed face forward onto the mattress but I held her ass up so I could continue jamming my cock harder into her tight spasming cunt. She moaned with the rhythm of my loins slapping loudly against her butt. It was a climatic battle of the erotic senses I knew I was going to lose but gladly accepted my fate.

"Oooooh God!" she screamed into the

blanket as the first of many jets of semen splatter the walls of her womb. She sighed with relief when my thrusts slowed to a halt and we both came down from our orgasmic bliss.

"Thank you, Michael," she smiled.

"Not until you test positive," I repeated our running joke.

"We should go," she sighed after I reluctantly pulled out of her. She continued to raise her butt in the air, sticking a finger into her snatch, while I got dressed. I guess she wanted to make sure none of my semen leaked out.

"Would you like to do this again tomorrow?" she asked after rolling off of the bed and slipping on her summer dress.

"Sure," I answered without hesitation.

"Good because I already booked this room for the week," she laughed.

I drove her back to her store and she just said a quick goodbye since she did not want her employees thinking she was having an affair. When I got back to my office, I rushed back to my desk before my coworkers leisurely got back from their lunch.

"How was your lunch?" Steve asked, not suspecting anything.

"Busy," I answered with my best poker face. Needless to say, I was no longer anxious or frustrated the rest of my day at the office.