You trusted him. Turns out he's a jerk. You have nothing to feel guilty about or ashamed of. Kick him to the curb with a good riddance. He's a big boy and can take care of himself. Doesn't matter if he has a place to go or not, if he gets lonely or not, etc. None of that is your problem. It's his. Plain and simple. Don't let him manipulate or guilt you into anything. You have your own life and a child to take care of. Your bf is dead weight. Just my two cents.