This reminds me of a situation that I was in...
A young lady (still in school at Clemson) would call me constantly, and when I was at work she would constantly text me, almost too much. She was home one weekend and I was going to visit my cousin about 2 hours away and about 15 minutes from her home. I told her about it and said I was available to come by and see her for a while on my way up, and that she may even want to come with me. She got all weird and wouldn't answer her phone or text me back. So I didn't let it bother me and went to visit my cousin. About a week or two later, I met someone else. That someone else is now my wife. About 3 months later I get a text from the girl asking when I was going to come visit her in Clemson, my girlfriend at the time, now wife, actually picked up the phone, read it and deleted it, because I had told her the whole situation.
Moral of the story: Ask her to do something, if she gets weird, let her be. Move on, she'll regret it in the long run, and most likely you'll be happier. I am. Everything happens for a reason.