I'm 22 and that's pretty much what I do. In Denmark you get payed to go to the university. I spend maybe 10 hours a week on it, and the rest is for making music and socializing.
My univsersity education is my career though. I'm in my first year, and everything is still starting up. When it's time to take my bachelor, of course i'll suit up. For now though, I'd rather spend my time exploring.