My oldest friend is from 9 years ago

Wow time flies. That's a little scary😲 I always worry that I haven't changed that much. I don't think I have. The last birthday that I felt different was when I turned 16. After that, things felt the same. I don't feel like an adult. I suppose everyone has their own opinion on what an adult is. I definitely have some growing to do, but I don't know how to do it. Time will tell, I guess