Sleep becomes more important. Two meals a day are standard. If the lecture hall is big enough, get someone else's notes. T.A. used to stand for teaching assistant, now, for terribly articulated. E-mail becomes your second language.
Frat parties are exactly like they are in the movies.
Ten-page papers used to sound impossible, now they're a Godsend. Plain pasta never constituted a complete meal before. The health service attendants are there because they couldn't make it in a real hospital, never ever forget that. Forget putting the toilet seat down,you just pray that they flush. Frisbee becomes a contact sport.