How to move on quick?

My boyfriend of two and a half years broke up with me about two weeks ago and got with another girl two days later. I can’t seem to stop thinking about him and I don’t want to miss him but I still do. He did me so wrong and it hurts. He told me all these horrible things about myself. Told me I was the reason he was so unhappy. I never did anything to make him feel this way. I just can’t seem to stop thinking about him and his new girlfriend.

I can’t get busy or go see my friends right now so that’s not an option. I was on a cruise all last week and I still thought about him constantly so the busy thing doesn’t help much.

We’ve actually been on and off since eighth grade. Four years ago but we broke up for a few months and decided to start over with the anniversary date.

I was thirteen when we started dating and he left his last girlfriend for me. I didn’t think anything else of it because I was so young. Looking back now he’ll probably do this to all this girlfriends right?