What would you do if your boyfriend got blackout drunk multiple times and did annoying/mean things cus of it?

hi guys, my boyfriend drinks a beer every day and is a total lightweight so I have noticed that times when he has a little more he has blacked out 7-9 times in the 3 months I have known him, on 4+of those occasions we had either just gotten into an argument or while he was under the influence (also side note he can look kinda sober when he isn't either that or half the time he is stumbling) he has gotten very mean and called me a bitch and a cunt told me he hates me then later does not remember and has told me to shut the fuck up but he said if someone chronically interrupts they deserve to hear that. recently he blacked out and i asked if he is ok cus he was stumbling and he got pissed at me asking him that and ran away from me screaming "fuck you" flipping me off then I found him slumped against the wall outside the mall and again, no recollection. but one of the times he was blacking out and got super tired then went inside his house to get his vape and I waited outside for an HOUR then went to drop his phone and stuff off at the door realizing he prob fell asleep (he did) cus he left that in the car. I suspect he has an alcohol issue as I found out he has had 2 dui, has not gone one single day in the 3 montsh I've seen him without a beer, and he forgets a lot of stuff like he is always losing his keys. wondering what you would do in my shoes?

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and he said im the one to bring drama to the relationship whenever I try to tell him how I feel or communicate (for example if we have gone a week or two without sex due to his lowered libido w lexapro he got mad I even brought it up instead of just explain it to me)
What would you do if your boyfriend got blackout drunk multiple times and did annoying/mean things cus of it?
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