1. Refer to other people as "filty mudbloods"

2. Throw away your comb, you won't need it.

3. Practice making your laugh as insane as possible

4. Be prepared to spend your life in Azkaban

5. Get a dark mark tatooed on your arm

6. Constantly explain to people theories about why you think that Voldemort is actually not dead

7. Actually go searching for Voldemort

8. Scream Crucio at numerous muggles and demand information on the whereabouts of voldemort

9. Constantly change the conversation topic to voldemort

10. Insist that people call you "Bella"

11. Stay out of the sun. The paler your skin is, the better...