How do I get over my crush (es)?

So my 20'th birthday is within two Weeks from now and I still haven't had a girlfriend... Ever.
That might have something to do with the fact that i'm still not over some of my crushes.
Whenever i think of them i think of my failiure with them and not being able to take the steps to get into a relarionship, because i'm so insecure.
Do you have any advice on how to get over an old crush?
(Just forget about them doesn't work by the way. 😂)

Thanks 🙂
How do I get over my crush (es)?
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