How can I not be insecure?

so I don't know if its jsut me, but especially with the whole corona thing- my confidence levels have gone down but im also noticing im struggling to find myself and jsut worried what others think of me.

im going to an athletic camp with a bunch of guys and girls my age ( i dont know a lot of people there) and im worried what theyll think of me, or i won't know how to be myself and i feel insecure.

does anyone know how to solve this?
How can I not be insecure?
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