You’re right it is easier said than done, is exhausting and I’m pretty sure the brain recalls information, which sort a feels like an addiction in its self.
Rebounds Never work, despite people saying it does, especially if you’re sensitive and you want your feelings respected! Sounds like you’re well shot of that guy, he sounds as shady as the main one. I mean you did nothing wrong, and he continued the abuse. I always don’t talk about the things I’ve been thru etc, as sometimes some people see it as a green light to abuse you.
You don’t deserve any of it, and you haven’t done anything wrong. I think on some sort of level we attract ” a type”. Subconsciously perhaps we are “choosing” these fools. Again, some issues we have underlying.
I think maybe stay off Facebook for a while, give yourself a break.
As for my one, oh he is out there sulking or sticking two fingers up at me! Probably angry and cooking up some other angle as you say.