I'm going through a similar situation. It's hard not to think of him and his new girlfriend together. I think of him and his life with her and how perfect they are, but I hardly ever put myself first because I've put him first for so long. I'm not completely over it either and we stopped talking altogether last summer.

Sometimes I wish I'd just get over him already but it's easier said than done. It's hard because I'd been hurt a lot by him. Everyone moves at their own pace. Be patient with yourself. With that said, I'd suggest seeing a therapist as others suggested or trying a new activity, exercising or finding a distracting to stop the thoughts in their tracks. Good luck.