I think I realized I was "grown up" when my parents dropped me off at college at the beginning of my freshman year. Suddenly, for the first time in my life, everything was up to me - no more "No TV until your homework is finished" or "Eat your vegetables" or "Clean your room." For the first time in my life, I had the freedom to set my own schedule and priorities. (Priority one: Buy a day planner!

)
Now, if only my *parents* would realize I've grown up...