I’m a straight college guy, age 21, and I share a house with some buddies and a couple. This couple has been together for four years. They’re both quite sexual, but she’s got more libido than he does. I’ve got a big sex drive, too. Both of them have stated an openness to polyamorous situations. She started flirting with me, and flirting turned into no-sex threesomes with her and her BF every few nights.
I’m perfectly fine with poly, or I wouldn’t be doing this, but it feels a bit awkward fingering her or sucking on her nipples while her boyfriend is in the room, or even the same bed. Both of us guys are straight and have no desire to see the other naked, so there’s none of that going on. I’ve got no beef with guys who like beef, but being in a sexual situation with another guy—like the one...