The next day

She had made her decision but was still riddled with doubt. Thankfully Tom was busy and kept to himself because Sarah could hardly look him in the eye. She spent most of the day out of the hose trying to distract herself but it wasn't working.

It's not like I'm going to do something she thought to herself It's just going to be a fun bit of flirting and danger. I can enjoy the fantasy of it. I mean he might get a little handsy while we work out. That would be okay. Actually it would be quite exciting but that's it, no further than that.

She parked her car and walked to the gym. She paused briefly when she saw Paul waiting outside leaning against a bollard looking at his phone. He hadn't noticed her yet, she could turn around now and he would be annoyed but nothing would have changed. He looked up at that moment and saw her. He put his phone away and put his hands in his pockets and just looked at her. Feeling like she's been caught doing something naughty she started forward again and tried to put on a neutral expression.

"Hi" he said nonchalantly without moving from his resting place. The look on his face was a half smile and his eyes have her a once over.

"Hi" it's like this bastard can see right through me. The thought both annoyed her and excited her. He made her feel undressed and ****, like he held all the cards. In many ways he did she reasoned as he rose and gestured for them to go in. The simple fact she had agreed to this bolstered his position.

They checked in at reception and they headed towards the changing rooms. They were mixed gender rooms with individual cubicles and showers. "Let's get changed and I'll see you by the mats for a warm up before we get started okay?"

"Er, yea, that's fine" Sarah stuttered before she moved into a cubicle. She changed in a daze. He was being so professional, if it hadn't been for him checking her out she would have assumed he was not interested in her at all.

Once changed she headed into the gym and quickly caught sight of Paul doing stretches. He was hard to miss with his height coupled with the broad shoulders. He was in loose shorts and a vest that clung tightly to his upper body but Hung loose around his middle. She wondered why a man that physically imposing would be vaguely interested in her . She was completely unaware of how attractive Tom's wishes had made her and how many men wouldn't dare have approached her and as they would work out together people would see them and assume they were a perfect fit.

Paul's professional demeanour didn't change when she arrived and they started to warm up. Sarah continued to be thrown by this and it must have shown on her as Paul asked "You okay, nothing's hurting is it?"

She was sat, legs In front of her about to lean forward into a stretch. She looked at Paul's face, from his expression the question seemed to be genuine. "I'm fine, it's just that, from the way we were texting I thought you'd be more..."

"More what?" she was behind her now with his hands firmly pushing on her back to help her stretch. "More like this?" His hands released their pressure and the touch became gentle as his hands slipped down her back, around to her bare waist and the ran over her hips and down her thighs. This caused his body to move close to hers and his head as so close Sarah felt his breath on her neck. The made her jump and she gave a little squeak of surprise. Paul pulled away laughing "Was that what you were expecting?"

Sarah flushed "No, well maybe, I don't know."

Paul stood up and moved to face her. He extended his hand to help her up which she took and he effortlessly pulled her to her feet. "Look," he said looking at her seriously "I meant what I said about your form. Believe it or not, I take pride in my work and it bugs me to see someone working as inefficiently as you were. That said, when we're done, all bets are off." he was stood close to her with one hand on her hip and Sarahhadn't even noticed him put it there. She was suddenly filled with anticipation from his final statement and sudden closeness. She was gazing up at him like a deer caught in headlights. She jumped as he suddenly said "Right, treadmill, go" and slapped her behind. She lept off shooting a wide mouthed look of shock back at him which was met with a wink.

For the most part Paul was true to his word and when they were working out he gave sound advice and the only physical contact was to correct posture, demonstrate technique or highlight a muscle, nothing more that you would have expected from a trainer. In between was a different matter. His hands we often on her, guiding her around the gym or adjusting her hair. When they took a break he would stand close to her, compliment her and flirtatiously stroke her arm. It was surprisingly tender yet very masculine. Sarah had to admit she was enjoying herself, Paul was charming beyond his arrogance and he made her feel like the centre of his world, as if there was nothing as important as she was. It was working. She was flirting in return, complimenting him back and even occasionally touching his arm or chest as they spoke. At these moments she would always subconsciously squeeze a little to feel the hardness of the flesh under her hand.

By the end of the workout Sarah was drenched with sweat and the sexual tension was palpable. They returned to the lockers to grab towels. As she closed the door of the locker Paul was there, close to her. He moved closer and she retreated until her back was pushed up against the locker she had just closed. His arm was barring her escape but she wasn't trying to, she was just looking at his handsome and hungry face as it came near to hers. His lips were on her in a flash with a kiss, firm but tender. For a moment she melted into him and returned the kiss. It was as marvellous a kiss as she had ever had and the tension of the flirting was being released into the lips of this delicious man. As the tension broke a wash of guilt ran over her and with a delicate hand on his square jaw she signalled her ****. Eyes closed and with more than a hint of regret in her voice she mumbled "stop, stop." she kissed him some more, her desire threatening to pull her back into what her body desired "No, please, we must stop." She was more resolved this time and he sensed it and pulled himself away. He threw his back against the lockers and ran his fingers through his hair with a grunt of frustration.

Sarah stayed put breathing heavily and looking at the ceiling "Sorry" she panted out.

Paul was also looking up as he spoke. "Listen baby. You know I want you but I'm no ****. I'm not going to **** you into it but I think you want it too. So I'm going to shower at home, a nice cold shower and when you decide what you want, you have my number." With that he grabbed his stuff and left. Sarah didn't dare look at him as he walked away in case her desires caused her to stop him leaving.

Sarah let the shower wash away the sweat but it couldn't was away the arousal and the guilt. Her body wanted him back, to pull him into this shower cubicle and have him take her against these tiled walls. Another part of her knew that was just her libido talking. She had to get back to Tom. She needed to find comfort in his arms.