7. The Enlightened One
It's amazing how one introductory course in environmental science can turn a 20-year-old into an Biofuels expert. The problem with college kids is that they're ignorant to the browbeaten realities of living life in a cubicle and they have nothing but free time to get jacked up on MotherJones.com articles about oil companies. By your 29th birthday, you'll realize that you can't change the world, especially when your idea of "activism" is nodding along with like-minded bozos in a campus coffee shop.