i've had threesomes before where i end up banging a girl with one or more of my buddies. My thoughts arent about my buddy's dick, its all about the girl. whats a turn on for me is to witness the girl getting reamed by another guy while she sucks my dick or vice-versa. Alot of girls act so prissy in public sometimes its a turn-on when you get to doubleteam them behind closed doors. Our dicks never touched but i can see guys getting a double blowjob for cash and it doesnt necessarily mean they are gay - its all about the girl.
If he starts feeling up or kissing the other guy... well thats a different story.
