My boyfriend tries to hurt me when he's mad, what can I do?

MakeupAddict2017
So my boyfriend and i have been together over a year now and at the beginning he wasn't like this. But now he's been drinking a lot every Friday and at saturdays he is being grumpy and its all being pointed at me. Like if i dont know what to eat and i say well you dont know either he will snap and be mad at me the whole day. He will start saying hurtfull things like were done or i have to grab my stuff and leave immediatly (even though we live together). My normal responce is cry or get mad at him and point back at stuff he does wrong. But whatever i do he will just keep on saying these things the whole day. And he always says once he's normal again (normally the day after or sometimes the whole weekend untill monday) that he didn't mean to say those things and he's working on it. But im just so sick of him saying things to me that im a slut or worthless even though he has no reason, because he is my first boyfriend and i do everything for him. Even though i give him the cold shoulder and be like no im not going to grab my stuff again just so i can unpack them after a few hours when you're sorry again, but even then he says he wants me out and even that he can call the police since its his house (he never did that only said it). Can someone tell me why he does this to me or how i should react to this to calm things down? When were good were just perfect but when this happens everything is just depressing me. So its really just everything or nothing.
Updates
+1 y
Well he started about me sleeping on the couch (even though i have a disease which make my muscles hurt a lot) and in 30 minutes that changed to me having to sleep somewhere else even though i can't go somewhere so i have to sleep outside tonight when he goes to bed in an hour
My boyfriend tries to hurt me when he's mad, what can I do?
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