Ever had one of those fights...?

My man blew me off and went to the bar with his sketchy friend when he was supposed to meet me after work. I called him an hour later and asked if he was coming or not, and he acted all wavy and unsure. I said some pretty mean things (for which I have apologized and groveled profusely). Now he swears he was on his way all along, and that I freaked out before he had a chance to explain, that I do this all the time, I'm crazy, to find another schmuck, etc. We've been apart since, I told him I wanted to come home. He texted back to get my stuff and leave. He won't answer any of my calls. I came home while he was at work today, and texted him to tell him I would be here whenever he came home. I tried to call again and he never returned my call. He had a function after work tonight and didn't come home in between, I think he went to a friend's house because I noticed he had time to update his facebook profile (he didn't edit the relationship status so that's a good sign lol). He's made false breakup threats before, but it sucks to sit here in our place not knowing when he's coming home and how he's going to act. I wish he would just call me but I know I need to leave him alone and give him space. I'm sick of staring at the phone. What do I do when he does come home? We've been together a long time and this feels very surreal. How do I cope with the anxiety of not hearing from him or knowing where we stand? He can't avoid me forever right?