Beth Ann cannot understand why her twin brother masturbates incessantly. When he finds out she's never rubbed her virgin pussy, he helps her understand what the attraction is.
Sister has to come home to take care of sixteen year old brother while mom is away. (I would say that this is somewhere between Much Sex and Some Sex.)
After my son left home his younger sister told me how he had raped her two years before. Once that secret was out, she continuted to tell me what he and she had been doing since then.
Troy and I were best friends. When puberty hit all we could talk about was sex with girls, pussy and blowjobs. We watched porn in my room after school. It got to the point when we noticed our large bulges in our jeans, and how it would feel great to jack off. So....we did.