Advice Please? - Comments

Thanks everybody for commenting, I'll take all of that into consideration. ;-;

Tell him to suck it up and tell her, and not to drag you into it. It's not fair on you or his girlfriend. I've been the girlfriend in this situation so I'd want honesty and truth, not being left in the dark. Tell him either he confronts her or you will.

Sorry for being so blunt.

If you are friends with both of them i would not tell. It is my person ideal not to get involved with relationships between two friends.

He sounds like a total ass. Definitely tell her, I think you'll regret it if you don't.