How do you actually heal from a breakup?

I’m struggling to heal after a breakup where trust issues were brought up. I acknowledged my insecurities and was actively working on them, with improvement, but my ex said it was too late.

Family influence played a role, as his sister pressured him to end the relationship and gave him an ultimatum, saying he would “look like an idiot” if he stayed with me.

A week later, I asked if we could eventually have a calm, grounded conversation for clarity about the breakup (even if it was months later). He said “if it’s beneficial,” but that it’s not on his mind right now, and he hasn’t responded since.

I keep replaying everything, blaming myself, and struggling to move forward. How do you heal from a breakup like this?

How do you actually heal from a breakup?
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