should I leave this jerk

Ugh this guy who keep saying he loves me, but never really actually shows it.... Besides offering to pay for dinner and then damindimg to split the bill after ordering 4x the food. Another time, after sex, he offered to make some food and I stepped out for a joint, only to come back and see that he scarfed everything down as fast as he could... So as not to share with me.,, he constNtly farts too... I think it's kinda gross. Like don't fart while I'm naked next to you... Now he's tAlking about wanting to take a poo while I'm going down on him