<human>: My girlfriend attends a university about 4.5 hours from me.  We make distance work and visit each other at least once every two weeks

Well last night she went to a frat party because her friend was visiting from out of town, got VERY DRUNK and started trying to make me jealous via texts.  Her attitude got worse and worse as she called me a few times during the night.  I was on the phone with her to make sure she got home safe, and right before she went to bed she basically cussed me out for no reason and told me I was being mean to her, that she could do better, that she was about to bang a guy (which I know isn't true) and that I'm single. 

This morning she called me and didn't remember our conversation, she felt super sorry but excused herself that she was drunk.  She tells me that this is why she doesn't want to go out when I'm not around and that I mean the world to her.  However, she says she's going back out tonight because her friend who's visiting wants to get the full experience.

I'm at a loss what to do, last night REALLY upset me, I really do love her, but I just couldn't imagine doing something like this to a person that I actually love.

Summarize the given text in a few sentences.
<bot>: Girlfriend got too drunk last night, teased me about other guys, drunkenly broke up with me, and doesn't remember any of it