Whilst I knew it was wrong, I'd be lying to myself if I failed to admit that Helen had an effect on me, and not in a way that a son should have for th... woman who carried him in her womb for nine months. Still I thought, nothing's likely to happen. Helen's already admitted she isn't looking for an affair or even sex. I did arrange to take the day off following Helen's visit though, just in case we were up late, or that's what I kept telling myself.The evening arrived and I took the train into. What happened next i will never forget. She broke the kiss and straddled my lap, she then held my hands behind my head as she rubbed her big soft tits in my face. I broke free and put my arms round her and grabbed her sexy ass and massaged her ass cheeks. We resumed kissing this time french kissing. We both started breathing heavy and i carressed her ass and tits thru her clothes will she stroked my cock. After we kissed awhile she pulled away and lifted her shirt over her head reaveling her. Will you?”“What is it?”I was in no way prepared for what came next.“Show me your dick.”My first exclamation was, “No!”Then I indignantly asked, “Why would you ask me to do that?”His answer seemed somehow logical. “Because I want to see it. I want to know how big it is. Because it’s yours.”Now, I have a problem in that I’ve always been pleased with my dick. By that I mean I think it’s a good-sized one.Another problem is that maybe I like it too much when someone complements me on some physical. I was now just fucking her on top of him. The thought made it even better. I closed my eyes and all I could feel was the wet hot inside of this woman’s pussy. I slammed into it again and again as I built up. “Cum inside me” she whispered heavily into my ear. At that I was gone. I unleashed a torrent of cum inside her pussy, every thrust shoved more into her and then out again. I shortened my thrusts and pulled my head back, looking down as I pumped her full, slower now. I pulled nearly all the.