No one is 100% psychologically sound

Everyone around me is smarter and more accomplished. What is wrong with me? Sometimes I am given a hard time about it. Or i observe the people around me and i reflect on what a loser I am. And then I get depressed. That’s when the stupidity starts.
“Snap out of it!”
“Why is he so sad all the time?”
Yadda yadda yadda.
My therapist told me no one is 100% psychologically sound. Fuck off and leave me alone assholes.