Is it possible to be obsessed being intimidated with a person than a relationship with that person?

I been through a similar situation like this current situation several years ago. I’m just as confused as I was then regarding his behavior. Of course I thought it was sexual in my earlier relationship. I thought he wouldn’t leave me alone until he had sex with me. I mean he put up with a lot of my 💩 because he wanted sex. When we finally had sex he still was there no matter what I did to piss him off, (Not talking about cheating). The same thing is happening in my current relationship he reminds me of a ex. What’s really the obsession? Why couldn’t they just let go after a break up?
Is it possible to be obsessed being intimidated with a person than a relationship with that person?
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