College sweatshirts are 'casual' instead of dress up. Your parents charge rent. The four food groups are no longer beer, pizza, pot and cereal. Sleeping on the couch is a no-no.
Sneakers are now 'weekend shoes'.
Jack and Cokes become Dewars on the Rocks. The only drugs you take are Tums and Tylenol. The weak dinger you hit in the intramural softball game is now remembered as a 'line drive single' for the League Championship. You get your news from sources other than USA Today, ESPN, Sportscenter, MTV and VH1. Random hook-ups are no longer socially acceptable.