"Uh... well sometimes... yeah, I guess." He didn't know how to answer this kind of question from his sister."OK. Now... is it ever hard for you to cum...when you masturbate?" she asked.This was getting stranger and stranger, but she seemed to be serious so he just answered her."No. Sometimes I cum too fast. I mean it feels good and I'd like it to feel good longer, but then I cum and it's over. Crystal, why are you asking me these questions?" Something happened today. I had an orgasm and it was an. We have always enjoyed frequent sex with each other and our swinging has added to the variety we like so much.Don and Carol were the first couple we swung with and have become good friends in and out of the sexual arena. Don is 5’ 7”, average physique but is very well endowed with a 9½” long, thick, uncut cock and his small stature makes his dick look huge in proportion to his overall body size. Carol is a statuesque 5’ 11’’ with large breasts, a well-rounded ass and an always-wet pussy with a. Then the worst thing that could have happened, started to happen. I saw her turning her hips ever so slightly, signaling she was about to turn around. I had less than a tenth of a second to make a decision. Should I risk it all and stick around for what could be the greatest sight on god’s green earth? Or do I play it safe, call it a day and run back to my stall before my brother realized I wasn’t there. With my right hand still stroking as hard as ever, the temptation was too much. I had to. My whole body was shaking and it wasn't cold outside anymore, it was hot like a summer day, and I was sweating and feverish. Balloons were popping in my tummy and I had to move, like it was impossible to stay still. I fucked Mark hard and sucked Chris without any real thought or intention. I was just doing it with most of my mind lost in the feel good sensations that washed through me."Oh, Steph ... I'm gonna cum..." Chris told me and I opened my throat for him one more time, wanting to know.