<human>: So I've been "officially" dating this new girl as of only a couple days and I'm already a bit confused on where to go. Last night my friend had a bonfire and it was going well, we were all hanging out and having a good time. My girlfriend started acting very drunk after only six beers, and the homeowner was telling us to go upstairs and have sex after she started saying she wanted to. (it's a very laid back group of friends)

At first I was hesitant, but she had said earlier that she wanted to tonight so I thought everything was cool. After we finished I went outside for a cig and another beer and came back to her asleep on the bed. I went to sleep as well, and this is where it gets weird.

I woke up around 4am to her standing over top of me asking where her pants are. I pointed them out on the ground and thought nothing of it. A few seconds later I hear the sound of liquid hitting the ground, she's sitting there PEEING on my friends floor. I ask her what the hell she is doing and she says "Peeing, what the fuck does it look like?" I'm fucking weirded out at this point and move her to the bathroom where she keeps throwing obscenities at me and being a complete asshole. Eventually she goes back to sleep and when I ask her what she was thinking she is completely calm and acts like nothing weird happened. 

I confronted her in the morning and she was very apologetic, but I'm still feeling very weirded out.

Can you summarize the given text in a few sentences?
<bot>: Girlfriend of a couple days pees on my friends floor, acts like a complete bitch after only a few beers, don't know how to take it