Got a girl at my apartment. Before this, she was all over me while I was being cool towards her. When we got to my apartment, we drinked some wine and I made attempt to kiss and got her at the bed to foreplay and sex, kissing and touching and all of that. At this point where she was under me, she rolled over me, kissed me passionately, saying that "I found you chill but you got too passionate" and took her stuff and left. I am totally dumbfounded by this. Initiating sex causes negative reaction? I feel like she shit-tested me, and somehow I failed the test in means of understanding that is beyond of me at the moment. I asked her while she was packing her stuff that "Why such change of a mood?" and she gave answer of dodging the actual question and left.