Can you have ptsd towards only one person?

I think a girl I was dating gave me PTSD?

One year ago:
One day before the incident I told her that I had a hard time telling her no, when I didn't feel like having sex, and she was so supportive.
The day after, we were at a party and she tried to have sex with me, even though I told her no several times. She got angry with me and told me to leave if I didn't want to have sex (we were at her place).
I felt so, romantically violated. We were so extremely close to being girlfriend/boyfriend, and then suddenly I just felt betrayed. I remember sitting in her bed, just paralyzed and then crying for an hour.

She loves to drink, and does it very often, and had done some "not cool" stuff before this, which already made me paranoid about her being drunk. At last, I couldn't continue and decided to leave her.

Present:
I ran into her, and we started dating again. I didn't remember or feel any anxiety. However, as soon as I encountered her drunk, it felt so wrong. I couldn't clear my thoughts even though I knew, they were irrational. She was being super sweet and cute while drunk, but I just felt so freaking uncomfortable with it. I didn't want her to be drunk.
Today she was at a party with a couple of her friends, when she wrote me "Oh so now you're irritated by me being drunk again? haha", which I honestly think gave me a mild anxiety attack, god was that fucking not fun, I don't know why that triggered it that badly. Maybe because she didn't recognize my feelings?

Its so weird, because I really like her, and want to spend time with her, but at the same time my mind is just like "nope wtf are you doing GTFO". Our relationship feels unsaveable.

Could this be some kind of PTSD?

NOTE: I don't have any problems with other people being drunk at all.