Seductivley, I got on top of him and lined up my covered pussy to his hard dick. He started gasping already, all suddenly I bounced up on down on his ...ick. I gripped his hair and he gripped my back, the bed shook against the wall I felt his dick go harder and his balls tense. I humped him as he slapped my ass and rubbed it. I got a tight sensation in the pit of my stomach, but I kept on bouncing. We held each others hands, he thrusted upwards towards me, I stopped much to my displeasure. I gave. We were wedged in. Every time the train lurched (which was very often) he bumped into me. He apologised the first few times and I told him not to worry. Then a few times he bumped me when the train didn't lurch.He didn't apologise but I said very quietly don't worry. He pressed against me and I pressed back. I soon got a huge hard-on.He reached behind himself and put his hand on my stiff cock. No one could see anything because the carriage was so crowded.He kept his hand on my cock and started. " He said as I stood up. He quickly patted me down, then shined his light into the car and looked around. My wife's hair was a little frayed from our earlier activity and probably looked strangely dressed having thrown on her blouse so quickly. In the bright light I was sure her braless figure was noticeable.I took the opportunity to blame her dishevelment on him. "Please officer, you're scaring my wife." Don't mean to Sir, but I have to do my job." He said with no emotion. "Please step to the. “Jacob can you help me move some books from the store room to the library cart?”“Sure, Miss Doane,” he replied.He jumped up and followed her to the back of the library. She unlocked a door marked ‘text storage’ and let him in. The door self-locked behind them and Rebecca put her hand on his arm.“Jacob I don’t know how to thank you,” she said.“Thank me for what?”“For pointing me in the right direction for my book, I stayed up late and almost finished the first chapter. I’m going to research here.