When I was very young and figured out that certain places felt good when touched, the only tool I had at my disposal was my own body. I used my hands to explore and touch and rub and pinch, becoming quite adept, by my early teens, at inducing a clitoral orgasm by simply rubbing my fingers quickly across it. These orgasms caused a pulsing of the internal walls of my vagina, and they were satisfying, but it wasn’t until I was in my 20s that I knew a deeper orgasm was possible. Even though I began having sex at 16, I didn’t orgasm with another person until I was in…