Fck Buddy

I have a guy that has been a friend for about 2 years and we recently had sex about two weeks ago and have been having sex and sleeping in the same bed together since..but we are saying we were just fbs. I think I'm in love with him..i think he is in love with me to. I can't tell him because i used to date his friend and he used to date my friend. Everyone thinks something is going on between us but no one knows. We are also roommates..he wakes up every morning and looks me in my eyes and pokes me or touches my face. What do i do? These feelings shouldn't be here. Or should they?