<human>: My girlfriend and I have been together for 8 months now. We love each other very much, and have discussed our future with each other and seem to be on the same page with everything.

So my girlfriend lives with me, and since she has no transportation to go to work, I let her borrow my car for that. Here's where I got a bit annoyed.

She gets off late, and I have work early in the morning, I wait up for her to get home every night. She said her coworkers invited her to go out to the bar and wanted to go. I certainly don't mind if she goes out and has a social life, but I feel as if this is bad timing. 

She is using MY car to go to work. She is in debt, is broke, not very good with money, and is upset that I asked her if she could go on another night, as I haven't had a good nights sleep in a while, and other things. 

She says she feels like a kid since she hasn't gone out and done things in a while. Now I am all for this, however I feel there is a time and place for it. 
At 26 I would think that certain things would be priority as in being an adult and taking care of business. 

Am I wrong for being annoyed in this situation? I just feel she doesn't think things through enough.

Can you give me a shortened version of the text?
<bot>: gf and I live together, she uses my car for work, asks to go to bar when she has more important priorities.