Twenty five years ago, while I was in school, I came home early from a date. I found my older stepsister undressed on the couch with her boyfriend. They dressed in a hurry, and he left. My stepsister started begging me not to tell Mom and Dad. I promised not to on one condition. She had to let me do to her the same as her boyfriend did. No, we did not have sex, but I got to undress her and explore her body. It only happened that once, but I still can remember it all like it was yesterday. It was my first experience with doing anything more than kissing with a girl. Even now, she will tease me about that time. I never have told Mom or Dad or even my wife of twenty years.