This girl randomly ended things with me?

39M she is 26F. Both been married.

I have been talking to her for 2 months and we met online. The conversations have been some of the best I’ve had. She puts so much effort into responding and asking about me. She’s very sweet. We talked on the phone sometimes for 2 hours. No awkward silences. We got along great and had deep meaningful conversations.

Haven’t met because of the distance but I’m moving closer and would be able to meet her in 2 months. We agreed that works and kept talking how much fun it’s going to be to meet

She told me about her ex and it was very abusive.

She randomly told me tonight she wishes me the best, but cannot do this. She thought I was only wanting to hookup and have sex with her for some reason and said she isn’t just wanting that.

I don’t know what happened or what I did wrong but I really liked this girl? What should I do?