My boyfriend is an alcoholic, should I stay?

I've been with my boyfriend for one year now and i dicovered he is an alcoholic... It wasn't a real problem in the beginning but now every weekend night will be ruined by his habitt. He gets very emotional when he gets home drunk and a lot of times we get on arguments. Last time was the worse of them all. He just kept asking me why i am with him and i was very scared because he seemed like he was going to hit me. He threw an empty bottle at me and i thought he missed but i discovered i had a cut on my arm later. I didn't want to fight him back because i thought he would be more angry. I tried to go to the door and leave to stay with my bestie for some days but the grabbed my wrist so tight that it hurt and he pushed my to the wall. He ripped my clother and... you know what happened. I tried to push him but he is really strong and i am skinny so there was no point. I started screaming and he stepped back and kept asking whats the problem, am i not good enough for you? Every time i tried to leave he would grab my arm and it hurt really bad. The next thing i remember was hitting him with what was left from the bottle and locking myself in the bathroom. The next morning he remembered nothing but the mark on him caused by the bottle. I told him what happend and he was really embarassed, should i leave? I knoe you're going to be like whats wrong with you? leave him now. But when he is sober he is everything to me and i really want to help him with his problem😞
My boyfriend is an alcoholic, should I stay?
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