.. whaaa," Lisa replied, as she didn't know what to say. She knew they were fooling around, but didn't realize they were actually having sex."Oh mothe..., you can't imagine how it feels ... what it feels like to find the perfect guy." Yeeeaaa, good. I didn't know," Lisa replied and sat down on the bed because she was vibrating so bad she had to sit.Lynzee quickly sat down beside her mother. "You'll like Jeff, mom, once you get to know him like I do," she whispered. "He's different. He's so much. They don'thave living metal skin and have to use living brain tissue to create theCybernetic Intelligence. Unfortunately the only compatible brain tissuethat works for any long period of time comes from Transgendered persons.A double XXY or higher combination is best but anyone that isTransgendered will last longer than the few years of a non-Transgendered's brain tissue. They can dissect it and create thousandsfrom just one Trans-person. Where they have to use the entire brain of anon-trans to. She tensed and kicked and squeezed her lumps as she silently screamed her first orgasm with an abused diaphragm. Every spasm of her body hugged the metal cock inside and fed her orgasm to itself like a perpetual machine. Drowning in her ecstasy, Becca did not realize she was still sinking and by the time the wrecking ball climbing up her esophagus became too disruptive to ignore, her legs could no longer retract between her butt and the bricks of the street. The only way left was down, and she. Some minutes after Chris entered the house mom and dad came back as well so Sarah and I were really lucky by ending our little experiments in the right moment.In the evening the whole family watched a game show on TV and soon after the was finished mom and dad went to bed. Sarah went to bed as well because she was somehow totally exhausted so that only Chris and I were left.Some minutes after everyone else was gone I looked at him.“I owe you one but I would like to know how long you watched.