Accidently Slapped my Boyfriend

My boyfriend of 8 months and I got into a heated argument outside of a concert the other night. We both had been drinking and things just got out of control. I told him he was being rude to me, he said he wasn't I wanted to talk about it right then but he didn’t. I kept trying to get him to talk to me, but he wouldn't. He then called me a bitch and I reacted by slapping him across the face (not hard). As soon as I did it I said sorry like 500 times. I couldn’t believe I did that, but it was just a naturally reaction. I have been saying sorry, but he wants nothing to do with me. I know I was in the wrong, but I feel like he was too. What should I do? We have gone 4 days without talking. I was hoping we both would cool down and maybe work it out.
Accidently Slapped my Boyfriend
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