Can’t bring myself to date anyone? why is my self esteem so low? I’m approaching mid 20s and have never dated?

What am I supposed to do? I’m very close to just giving up of dating. I don’t try much because guys black me after a first date and they that I was lovely but had no connection etc so I’ve tried but maybe love isn’t for me? I don't know what to think
Can’t bring myself to date anyone? why is my self esteem so low? I’m approaching mid 20s and have never dated?
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