My friend has a gf (of two years) who is bi-sexual, but she doesn't know he knows. She has a cute roommate who is also bi-sexual. Whenever he's at their house, she sometimes comes into the room and lies in the bed with them and starts talking. He's not sure if this is a sign for a threesome or a setup by his gf to see if he's really committed. Or maybe they're just trying to crack him. Everytime she comes in, his manhood salutes the roommate but he keeps it undercovers. He doesn't know what to do and is asking for my advice. I'm totally stumped as to what to tell him.