As an 05 I'm already feeling old

Iys prob a me problem but I'm turning 21 in a couple days and for some reason that age specifically seems so serious and it feels way to soon into the 2020s lmao. I never planned to drink so it just feels pretty weird having to be a full adult soon. I am only a 1-2 year difference from my closest peers which are 06 and 07 and yet I feel like an unc compared to them 😭.