She blocked me and that bothers me. Is this creepy? Am I wrong? here's the situation:

I was at this girls house for a party (we'll call her "sally" and I'll also make note that she is a "good girl" and sort of churchy)who I had sort of been talking to, (we had gone on dates, I drove, paid and gave her a kiss at the end of each night we saw each other, so yes an actual date) and she had been acting incredibly distant towards me for the past week or so, since a month or so earlier she seemed a lot more interested. I asked her friend if she knew if everything was OK between "Sally" and I, and if she knew why she was acting like she was avoiding me, etc. Last time if I asked "Sally" herself if everything was OK she said she was "out of it." which didn't help. At the end of the night I wanted to tell "Sally" goodnight and at least give her a hug before I went to bed. She didn't have any of it. The next day after I left (I didn't get to see her that morning) I sent her a text saying thanks got having me over and that I had a good time, and apologized I didn't say goodbye that morning since she wanted people out of the house before her parents got home. She texted me and said what I did that night, asking her friend those questions, looking for her to say goodnight, were "creepy" and I tried to explain that I was only concerned, and just wanted to tell her goodnight. She said I acted totally different than how she thought I was (there was alcohol involved) and proceeded to break off what we had and said there wasn't really an "us" in the first place. She said I didn't know her well enough if I thought she was being distant, but we went from talking everyday and us saying we liked each other and using pet names to no talking, one word texts, and her not wanting to hang out as much. She even blocked me on Facebook and twitter. Was she in the wrong or was there something I had done that was legitimately incorrect? And should she have based the entire 2 months we had known each other on one somewhat drunken night? My friends say that she was blowing up a small situation as an excuse to get out of it, but she still totally blocked me and that bothers me. I have never been called creepy before, and I hate having that on my conscience. Any help? Am I really a creeper?
She blocked me and that bothers me. Is this creepy? Am I wrong? here's the situation:
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