The guy I work with at first we always used to bump heads and now we have become really close. Now that I found out I'm seeing his ex girlfriend, I have this guilt that hangs over me every time I see him. It makes me paranoid like he knows. The trouble is that I want to keep him as a friend and I don't want to make work awkward, but I really like this girl soo much, that I can't stop thinking about her.
What should I do about this. I feel like I should tell him but don't know how to without making him hate me, and I took in the fact that I didn't know who she used to date till today. Someone please give good advice.