Wat should i do?? i really miss him..?

okay..so my ex and i broke up about two months ago and imiss him sooo much...last week he told me he still likes me i honestly dont know wat to do......we were friends for about 5 months and we were together for like a week and i ended it..an we used to talk ALOT every night for hours he made me happy :) and we eventually got back together and every friday we used to be in an argument and we wud like "break up ish" and be back together by sunday night and neva relli spoke during the week becuz of busy schedules....i honestli miss him..we dont really talk nemore..and i think i want him back....but he is jus so stupid sometimes..he ALWAYS trys to make me jealous.and he only talks to me wen my best friend and also his best friend (same person) is there...and we are ALWAYS arguing....idk wat to do...but i still like him and i want him back..but idk if he wud.please help thanxxxxxx :)