broken heart!

Analise
Hey ladies, I recently got out of a two year relationship and I can't shake out of this sadness! He's been with two girls already; he's currently with one now... she also happens to be a girl I couldn't stand because she always flirted with him. She's the "girl he told me not to worry about". I just keep thinking about him and what we had. It's only been about two months. Seems like it was yesterday. Any advice?