Definitely, if you're living in a dorm, get a fridge. Sometimes you can rent them from the school for a pittance each semester, otherwise theyre $100-300. Keep a stash of lowcarb snacks in your bookbag - pork rinds, jerky, cheese, nuts if you're not on induction. Print out the acceptable fast food list from the Atkins website.

Not much to do about the alcohol. It's as much of a choice as the rest of this WOL is - it's not healthy, much like wasteful carbs aren't healthy. Like wasteful carbs, the longer you go without the less likely you will be to overkill when you do have some.

The peer pressure is an issue, yes. But it all comes back to you and your choices. Decide what you want and stick with it. Easier said than done, sure. But the alcohol is a good issue to stick to - if you can deal with that, the rest is a cinch.