I am 21 and I feel like I have yet so much to live, it's a pretty odd feeling. I don't feel like being a teenager again but I'd like to stay this age forever (or maybe two-three years older). I feel that people don't take me seriously as an adult but I'm too old to do teenager's stuff. I have one year left of college and it scares me having to find a job and all that, I've never had to work in my life. But it's just the circle of life so I just try to push myself to do whatever I have to do. I still want to travel way more before I settle down and become boring.
This short article explains why time "goes by faster" as we grow older, if anyone's interested.