Oliver explained that he had taken the both of us in San Francisco for some testing. He told us that he had taken some blood from us and had added som... of his secret substances. This afternoon we were administered the final substances containing partially the other's blood. This administered substance will induce some changes to us during our stay. But we needn't worry as our health was not in jeopardy according to the doctor.That evening we watched some romantic movies and from one thing. Steve, (as I will call him,) was like me, we both had big cocks. We couldn't stop having sex until he got married after high school. Dad caught us one day having sex and decised he was going to teach us a lesson. He went into his bedroom and several minutes called for us to join him. When we came in the room, he was dressed in a very beautiful night gown, (mom's of course,) and had a vibrator in each hand for us to use on him. Needless to say 5 "cocks" were used in this session. It lasted for. These women would never se the inside my car again.Most were spitters, but there were a few surprising women who wouldn't give up my cock until they had every drop of cum down their throats. These women were rare and usually short timers on the Avenue.About three months into my twice weekly prowls, I stopped for a lanky, short haired, plain looking blond who introduced herself as Karen. After pocketing her $20 rate she got down to work. Twenty seconds in she had me as hard as rock and balls. I was really hard and turned on so after a minute or so I was in her. Mike was sitting on the edge of the hot tub getting a blow job while Sara and I just rocked back and forth kissing passionately. The scene was so erotic that it didn’t take long before we came. Mandy then sat on the edge of the hot tub and Mandy put her head between her legs and buried her mouth in her pussy and went to town on her, Mike and I watched the erotic bisexuals do their thing till Mandy had an intense orgasm and.