My boyfriend just broke up with me what should ido?

My boyfriend of almost 3 years just broke up with me last night he said he dont want me anymore....but sometimes he says that when were fighting or mad!...But last night was different i kept calling him and calling him and he probably answered like 3 times out of maybe 30 calls OR MORE! and he would tell me to leave him alone i also text him to tell him how much i loved him! all last night and even this morning i called him and text him..he answered and said that he would call me later that he was running late to school and maybe after 20 mins i called him again and he answered and told me he was at school and he was like no i dont want to be with u anymore! ....Im SO DEPRESSED RIGHT NOW I DONT KNOW WHAT ELSE TO DO!!! IVe tried and tried and i know u must be thinking This girl are u crazy! YEA I AM CRAZY IN LOVE! ......PLEASE HELP SHOULD I KEEP TRYING OR JUST LET HIM GO FOR GOOD!