Coming On Mom   I started jerking off when I was sixteen. I guess I was a late bloomer. My friend Pat and I had been talking about girls for a few months, but the farthest I had ever gotten with a girl was some French kissing. I had been getting hard-ons for a couple of years but never really played with myself until Pat told me about his dad’s stash of dirty magazines. They were just boobs and ass shots mostly. Not even...