Help !!!!!?

ok i used to be going out with this gut and he would hang out with us everyday at luch but then i broke up with him and now he won't hang out with us we've broke up before and he hasn't acted like this before i want to know why he won't hang out with us also i wnat to know if i still like him i mean i don't want to i want to move on and see other people but everytime i see him w/ another girl i gte really jealus do i like him and not realize it?