I thought to myself "this little queer would probably love it if I unzipped the back of those pants and stuffed my cock in him". I was surprised that ...he thought of having sex with this guy turned me on and I became slightly erect. The train cut into a turn and he was pushed into me again and I reached down to stop him from falling too far and grabbed his waist as I did I felt him grind his zippered ass right into my crotch. Since I was wearing dress pants it was easy for him to tell that I was. I found myself nursing an erection. What was happening to me I wondered. Scott handed me my beer, sat down in front of me and chatted on. I found myself gulping the beer again. I hadn't noticed at first, but Scott had placed his hand on my knee. It felt electric. I really wasn't hearing what Scot was saying until he stopped blabbering and leaned in real close and asked, “Have you ever been with a guy?” A smile came upon his face as I answered no. His hand shot up my leg and right into my. She looked up at me with those soft brown eyes and when I looked into them they let me know she needed me to fuck more than her mouth now,"UMPH, UMPH, UMPH", was all she could do and her eyes were now watered and pleading me to stop so with one last thrust down her throat I held there then pulled out and let go of her hair.She fell down on all fours grunting and coughing while gasping for breath while I stood over her and after several seconds she looked up and straight at my tool, it appeared. I had my hand on my throbbing dick and it was all slick with my natural lube and I was thinking about getting up and going to the latrine and beating off there in the dark.But for some reason I just started to rub on my dick while lying in my sleeping bag next to Sandy. I figured that I could get away with it and I had a bandana to cum in, so what the hell. I turned on my side facing away from my sister and began to slowly jack off. It felt wonderful and needless to say I didn't last very.