I'm ending my junior year at dartmouth right now. I have to admit that I've more or less quit the hobby for now; there's a lot of things I need to spend time on, but most of all it seems awfully difficult to set up a spot to build and maintain airplanes in a dorm room. It could be that the college's woodshop will let me leave partially finished projects in there; I'll probably look into that in the near future, because too long out of the hobby is killing me : )

If you're still living at home there's really no reason to quit the hobby if you're having second thoughts about it -- remember that you can always scale back as much as you want. On the other hand, if it starts to feel like a chore you shouldn't make yourself keep doing it; that'll just make it worse. Take a break and come back in a year or two if that's the case