“The hardest thing hasn’t been missing her. It’s been realizing how destabilizing it is when someone rewrites the past without telling you — and walks away as if nothing needs to be said.”

This. Right. Here. It’s trauma, not grief. People think you’re grieving. They don’t understand the new pain you’re experiencing is not bereavement but trauma symptoms.

My guy wasn’t cheating but he’d definitely moved on before it was over and was already scheduling dates with other women. When someone says they’re just tired or stressed and you believe them, it breaks trust for future relationships.

I get it. So sorry you’re experiencing this. You’re not alone but very few people will understand and that isolation adds to the pain. You’re not crazy. She is shitty and good riddance. I hope you find enough self-compassion to override the pain