Meeting her/his sister who had apparently been her/his lover as well. Sharing the two of them in bed then taking her/him for an honest to goodness sex...change operation. I smiled thinking of how beautiful she, Sherry, was and to think she was going to be a genuine woman. I smiled at my luck of being included in the closeness of her loving sister, Mary, and how we had played the night before. Making love? May be. Mary became so vocal, so loud, and nasty mouthed when she became sexed up, that. I've done the two hours you asked for."She wriggled in the saddle, getting comfortable with my more or less rigid penis well up inside her and rubbing her folded-in clit as well. The little beauty gritted her teeth. "You are one big horse," she said with a grin as she started leaning forward and bouncing. We were in the basement playroom of her big home and toward the last phases of her sweet-16 party.My poor cock, with the help of injected drugs of course, had been one of the highlights of her. Twice along the way, she whispered my name. I had to congratulate myself on the idea of having her say my name to signal she was coming. It was such a turn on for me, that by the time we got to Rach’s destination, she wasn’t the only one finding it difficult to walk.I looked up as she turned into a store, and read Victoria’s Secret. This was more than I could have hoped for. We shopped for a while there; Rach and I both picking things out for her. She knew her size (32b, 2) and so we. I looked at my beautiful twenty year old body in the mirror once again and lifted my leg up high so I could see my pussy slit and my brown eye at the same time. Even when I was only in my twenties and still at University, I did not look this good. The change from my last physical form in my late 50s was certainly not comparable at all. I had felt I was still a "good lay" even in my mature state but I could not argue with the slender figure of the beautiful young girl in the mirror.I looked in.