Masturbate.

Jacob knew better then to do this. He never thought about jerking off to guys before but something inside of him was screaming to watch and jerk off to the guys in the next stall. "Fuck it, my pants are already down and my cock is hard." he thought as Jacob wrapped his right hand around his cock and started to slowly jerk off as he watched the two men fucking.

He pictured himself being the guy with the hard cock as he smoothly pushed and pulled into his buddies ass. It was work well thinking like that. Jacob was getting very hot and his cock could not get any harder then it already was. However, as Jacob continued to look and as he heard the moaning from the guy being pound by a massively hard cock, Jacob's mind started to shift from being the guy doing the fucking to being the guy getting fucked.

Jacob was so close that he did not want to lose the feeling and went with the idea that he let it play in his head. The moaning echoed in his head and as Jacob jerked off at different speeds, he now was tightening and loosing his butt cheeks as though he too was being fucked in the ass. Being so close, Jacob closed his eyes and listen to the guys in the stall.

"Fuck me baby" one guy said over and over again, and as Jacob heard that line he too was saying it in his mind. With in a few minutes the other man said "I'm cumming" and with those words Jacob too was cumming but sadly he was cumming only on his hands.

Jacob sat there motionless for a moment as his brain tried to figure out what he had just done and just as he was starting to come down from his own ecstasy, he could hear the two men talking. "Oh shit there is someone here" one said. Let's just get out of here." the other said as Jacob heard the door leading out opening and closing. Jacob still sitting there looking at his hand that now had his cum on it. "What have I done? Am I starting to like guys? I would what it tastes like..." played out in his mind. The idea of tasting his own cum played about more in his head before he decide to...