He was thirteen years old, I was twelve. We had on tee shirts; cut offs, sneakers, white sweat socks, and I had on white, cotton briefs. I imagined he... wore the same kind of underwear too.I knew he was nervous; it was to be his first time with Dr. White. We had been playing doctor, but it was nothing like what was going to be done to us today while we were on his examination table. I told him some of the things to expect, but certainly not all of them.We would go to his bedroom while his parents. I slept like the dead and woke up at the crack of dawn. I felt a lot better than I deserved to because of the way I had been pushing myself yesterday. I knew I had to take it easy for a while, but hated the idea of just sitting around waiting for my body to heal.I got my shower and headed for the kitchen, figuring I had beaten Myrna up for once. But as usual, I was wrong. She was in the kitchen in an old robe sipping coffee. I sat down and she poured me a cup. She didn't say a word until I had. They had just got there. Ron and Sara seemed happy to see me. Sara got naked and offered me a fuck. I mounted her and did better this time, lasted longer before flooding her cunt with a huge load of spunk I had saved up since the last time. "Ron look at how much cum he pumped into me, I am going to be leaking for days! I am surprised it did cum out of my nose. I wish Ron would cum this much, I like having a full pussy" Sara said with a laugh. Ron mounted Sara and thrust his cock into her pussy.. Certainly her climax was far more intense than mine, judging by the sudden pain in my shoulder as her teeth bit into me.As for me? Well, I certainly enjoyed it, but I'm only human. Twice in the space of ten minutes is a bit much, and I can't say the second time was as good as the first. But, hey, I'm not complaining.She didn't want me to let her go, afterwards. So I held her loosely in my arms as she struggled a bit more against her bonds, seeming to enjoy the restraint as much as my.