How can i get over him...?

First off it was a long distance relationship. Anyway so i just been thinking about my ex boyfriend [jerred] lately. I cant get him out of my head, even though i should. We dated for 2 years and 7 months but 6 days ago he broke up with me. We got in a big fight and we never got in a bad fight like this before. He got mad because i wouldnt send pictures and he said bye then i said " god i hate you!" then he said his friend was using his phone hten he got mad and yelled at me. After that i threatned to kill myself because i couldnt take this anymore and he was saying how im afraid to kill myself. He also said " i cant hide it anymore i had 3 times, i kissed before, fingered 2 girls and got a bj from all of them" i was shocked when he told me cuz he said he never kissed before and was a virgin. Then he said he is alot where he lives and he has a babe. We didnt talk till the next morning and he said " duznt look liek you killed yourself to me". I got mad and sent him a text, but i didnt get a reply until the next morning he said" And hunny im rich and live in a mansion and your poor and live in a trailor, and no dad must suck boo hoo!!! get a life no wonder why ur dad left you he wanted to get away from you". my dad died acctually and that pissed me off. So then later i find out it was jerreds gf who sent most of those text messages and he said he was deeply sorry then he said he isnt going ot text me anymore because he knows i hate him. Ugh i just cant stop thinking about how we were so close but then when he went to school i knew things would change because he would be around alot of preps. I havent talked to him since last thursday and i cant stop thinking about him. My friend said i need to stop but its just after two years of dating then breaking up, it takes a while to get over.. How do i get over him? why did he have to listen to those little stupid preps and become one of them and change into a different person??