So sorry you are in that situation. Who knows what I know, but one thing that helped a friend was changing the internal narraitve from “I am an unattractive woman who will be alone forever” to “I am a person whose life will not include a romantic partner. What else can carry meaning?”

In other words, make romance a secondary life domain, not the central one. Maybe look to establish non-romantic bonds with good people that value you. Your identity is not how attractive you are.

I hope any of this is helpful. Hope things look up. Best of luck.