A myth, I don't know, since if they party too much, they'll drink too much and indeed gain the weight from alcohol.

But it could be logical. What are we when going to college, 18-19 for the most of us? Going from living at mommy's-daddy's, with everything ready on the table, to having to choose our own. I knew of plenty of young people like me at the time who weren't even able to properly use the washing-machine, least know what they should eat to stay healthy without going weight. Not that surprising in my eyes, in the end.
This said, I'm getting more and more confident. The past week has been really a good start, and I think that yes, I can make it so that the "freshman 15" will become the "freshman minus 15", sort of. I hope I'll be ableto keep my commitment once classes really start to kick in. it might be, since I won't have enough time to actually remove my hands from books and pens to put stuff in my mouth instead.