[ Singles & Dating ] Open Question : what to do about my "ex?"?

Heya Im Rebecca and Im here just looking for some life advise. Alright so in the begining of the summer my boyfriend and I got into a small fight and broke up. We realized it was a mistake and got back togther. However just as we had setteled our differences he was off to be an adult counsler at this camp far away and the only way we could communicate was with letters. I sent him one but he never wrote back. my summer went by full and exciting but i was always waiting to hear from him. Now he has come home and the only way i knew about it was by a status on facebook he didn't call not even a flimsy text. But then photos of him and his summer romance were posted online. To this day we haven't talked he blocked my number and my chat. Its like he's really scared of me or something. I really need to confront him to talk to him about all of it, to get closure but i don't know how! Or what to say! Help please what should i do? wait for him to finally maybe talk to me, or get over it and talk to him?