From that time forward, Angie treated me like the proverbial stepchild. Patsy always came first, getting whatever she wanted, while I got nothing. As ...he years went by, my resentment of Angie slowly turned to pure hatred. I could tell by her actions toward me that she hated me as much as I despised her. The situation got progressively worse. One Saturday morning I woke up and walked into the living room wearing only my boxers, knowing that Dad,Angie,and Patsy were going to the beach. I was. “I only wanted to know what it felt like, I didn’t know it would make him…horny”, saying the last word as if it was new to her.“Well you have and now he wants you to finish him off, mum’s going to love this when I tell her”. Shocked, Carrie blurted, “Please don’t tell mummy, please. I was only interested in…”“Interested in doggy cock”, I interrupted. “No, well yes but..” she replied “Mummy doesn’t tell me anything and all the girls at school tease me” she continued by way of an explanation of. Doug comes over and feeds his cock to her and she sucks his knob, then Kevin takes her hand and wraps it around his dick. I am fucking my wife while she has a cock in her mouth right next to my face and another man's cock in her hand! Happy Fucking Birthday Elaine!I fuck her for about 15 minutes and when I realize I am not going to cum yet I slow and then stop.I roll off and tell Doug, "I opened it up for you, now I want to see you fuck her real good!"She is looking at me then Doug, then his. The memory of playing doctor with my own sister popped into my mind. Then the memory of all those times she crawled into bed with me arrived like a huge wave. Except instead of visualizing my sister, with me on top of her, I visualized Lynne, with her brothers on top of her. Sarah and I had thought we had been lucky I never knocked her up. We didn't know she was infertile. But that wasn't the situation for Lynne.I had pushed open the door before I even thought about it. Which is to say I pushed.