is there some important thing you’re meant to do/achieve at 21?

i’m 21 and i still feel like a teen, the only difference is i have bills and don’t live with my parents anymore (thank god). like i’m in a stable relationship with a girl i love and we kinda do the most random chaotic things with our friends, but i feel like i’m supposed to be doing something important, but i don’t really know what i’m doing lol