Well I've been sorta thru the same thing. What you need to do if you want to move on is believe that you can be better than ur current situation. You've really really got to believe that. It took me 8-11 months to completely feel detached from her. You can do that too, just give it time, occupy yourself with other stuff to do (so you don't spend a lot of time thinking about him) and through time you will heal and move on finally.