I'd heard of people doing that. I opened my robe and found my cock sticking straight up. I did my usual technique; right hand on my balls and left o... my cock, stroking easy at first, then speeding up. My thoughts were on seeing Frank standing on the couch and feeding his penis to Annie, and how she got so excited about gulping down his cum. Damn, I stroked faster yet, and just as I was about to unload I stood up and pointed my dick into my coffee cup. After last night, you wouldn't think I. The shower stall was too small for doggie-style. Eventually we settled on my holding her up and fucking her while her back was pressed against the shower wall. The cold of the tiles against her back shocked her at first, but my girlfriend was just too horny to care about that once we got my cock slotted into her vagina.This position really got Katie going, too, probably because of the angle I was entering her and the pressure on her clit from having most of her weight pushing our pubic bones. It was over two hours before she came back. I watched as she came strutting back to the chair. I acted as if I where still asleep. She sat down and picked up her book. She then shook me wake up she said. I sat upright and looked over to her. What's wrong I asked? She said have you been asleep all that time? I said all what time? She said I just went and smoked with my new friends. I said oh, is that all? She said well they took turns fucking me. I said yeah right. She said my pussy is so full. "Only when you kissed her with me already inside of her. I thought maybe we should try and pin down the variables so we'd know when we have to be careful." Actually that's a good point. Allison, Jamie says it never happened when we kissed before, just when we did with her already inside of you. She was thinking maybe we should try to verify the danger points."Allison still looked a little unsure. "I don't know, Jimmy. That sounds right and there's a good chance it wouldn't be a problem, but if.