Husband cheated and left me

I’m completely lost and completely broken. My husband (22M) and I (23F) have been married for 2 years, and together for 8 years total. got into an argument on New Year’s Eve. He was so drunk, where I was not, because he has been showing signs of alcoholism and I wanted to be safe and didn’t drink. He was verbally abusive that night and ended up leaving. We had never been a night apart since we got married. Since then, he’s been wishy washy. When we got back together a few nights later, he had added a bunch of girls on snap chat. I overlooked it because I was happy to have him back, but had some kind of gut feeling about it. He seemed back and forth. He started being extremely distant, stopped saying things to make me smile as much. I would point it out and he would deny it. Long story short, last night, we were having a good night. He was showing me so much love. He was an absolute angel. But I noticed he seemed to be hiding his phone when he was on snap chat. So I asked him to post a picture of us. He did, but didn’t let me see his friend list. I said “why don’t you let me see that?” And he got defensive “there’s nothing to see, see??” And showed me the list. He had a 13 day streak with one of the girls. So I took the phone, and started scrolling up in their messages. There it was. “Can I call you?” “I can’t wait until tomorrow” a saved picture of her in their chat with her hands shaped as a heart…. That’s when he took the phone from me. He denied it when it was right in front of me. He said that I drove him to do it when I asked if something was going on between them two. He cried, saying he fucked up. I told him that we are married. Let’s have a talk. No. He walked out the door and left me.

Also, the night before this, we hung out with friends. He had took my wallet out of my hands without asking, used my card to pay for our food as well as our friends food. I paid for everything that night, which was hundreds of dollars. My birthday is this weekend. I thought he was going to make up for it. Ouch.