How do you guys get over the trauma of an ex breaking up with you to pursue a man?

What did you tell yourself about it to not let it affect any future relationships? esp if you weren’t broken up with for anything personal other than being the ”wrong“ sex and or gender.

It’s been two years since for me, and I’d like to say that I’m 80% at peace about it but I got activated the other day and was crying over it. I couldn’t stop picturing them with their male partner and being bitter. And now I get antsy seeing stuff about famous sapphic/lesbian identified people who start dating men.

I just feel icky thinking about it - I wish gender preference wasn’t a thing. I don’t want to end up biphobic or anything.