I can’t cope with how my boyfriend treated me on this vacation?

So me and my boyfriend went on a vacation (wedding) . We went to separate parties for a bachelor party and bachelorette party. My boyfriend ended up getting wasted and I stayed sober so we can have a great time when we got back. I walked in the room and he got home from the party. The first thing he did was shove me (onto the bed) and then he threw a portable fan at the door. I am so beside myself by how my boyfriend acted and whenever I bring it up, he gets upset. I’m so heart broken. What should I do?
I can’t cope with how my boyfriend treated me on this vacation?
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