I've got a friend who I am questioning the loyalty of.

He has a knack for girls and I most def do not. And he knows it.

He is not overt in his rubbing it in my face but Im pretty sure he is.

The other day we are hanging out and its with a work friend of his who is hot but has a bf. He has known her for awhile and I just met her that day. We were having a good time. She goes to the bathroom and he asks me right away if I would fuck her. I'm like oh yea. Definitely. But whatever not single.

About a month later I hear from a friend he started fucking her and broke up her prior relationship. I am sure he did it because i showed interest. He knew her for awhile and he has plenty of other chicks. Why all of a sudden? I haven't hung out with this dude since that night cause of just being busy. He texts me today to hang out and I know its so he can causally rub it in my face.

Not sure how I should react when he ultimately brings it up?