How do I make my girlfriend love herself?

me and my girlfriend are on a break right now and we’re on the edge of breaking up because she doesn't love herself. she thinks i deserve someone better than her because she thinks of herself as a horrible person. she's never done anything bad to me besides a couple mistakes that we easily fixed and i’ve reassured her over and over that she's not a bad person. we’re still together but we’re taking a break from relationship stuff to fix our own issues and hers is the biggest problem. I've told her to ask her friends if she's a horrible person but she hasn't done it because she thinks their lying to her. I've tried everything i can to make her love herself but nothings working. i just wanna how do i make her love herself so we dont keep having these problems?

How do I make my girlfriend love herself?
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