Two things helped me get over a broken heart. The first thing was telling myself that his happiness meant more to me than my own, and so I had to let him go, and he married someone else. The other thing, and this was necessary for my happiness, was cut him out of my life completely (as you are already trying to do). This was more than just not seeing him. It was not calling, not writing, and most important, not even thinking about him (it can be done, but it's hard). Eventually, it got easier, until it was effortless. Now I don't even remember what I ever saw in him. We are not friends, and I'm okay with that. It would have been too painful for his wife to have me in his life, never mind what it would have done to me or him.
I wish I could give you a real hug, since I know just how you feel. It hurts like hell. Please eat something. You can end up getting really sick from all this sadness, so take extra good care of yourself.
'02 Eddy Merckx Fuga, Selle An Atomica
'85 Eddy Merckx Professional, Selle An Atomica
'10 Soma Double Cross DC, Selle An Atomica
Slacker on wheels.