Why did my ex boyfriend block and unblock me?

I dated this guy for almost 3 years. In the middle of our relationship we lived together (about a year and half of our relationship).. so it was pretty serious. the only reason we stopped living 2gether had to do with bills, not because we were "drifting" apart. Our relationship was crazy... it was fun, intense, emotional, and sex was great! It was like we had a crazy sexual connection to each other and very intense love. anyway... of course that stuff fades.. but we still had it going on even after 3 years! until... in September (3 months ago) I found out he cheated on me with my best friend of 10 years when they were drunk. we had our fights just like any other couple, but this came out of left field for me.. and then he finally confessed, treated me like crap, and left me 4,000 dollars in debt with our old bills together. then he blocked me on all social networking sites, friends requested all of my enemies and all his ex girlfriends, moved a town away (still same distance from... Show More