Has anyone experienced a quarter life crisis?

I’m 24 and feeling it. I feel insanely old and I’m having a hard time comprehending that there are now adults younger than me. I feel from 18 to now, I’ve thrown what’s supposed to be some of the best years of my life away. Outside of work, I spent 95% of my time in my room isolating myself along with dealing with major depression and social anxiety due to embarrassment of obesity. I feel I blinked and now I’m 24. It’s been messing with my head because I don’t know how 5 years passed and I didn’t notice. I’ve been existing and not living, letting life pass me by. When I see people younger than me having fun, it makes me feel emotional because that’s what I should’ve done.
Has anyone experienced a quarter life crisis?
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