1. Don't be afraid to say "no" to things you don't want to do.

2. When that doesn't work, have a solid excuse ready in order to get out of it.

3. Always tell the truth. Even if it hurts.

4. How to master the art of seduction.

5. And the art of becoming invisible.

6. And the cold shoulder/silent treatment.

7. The world doesn't need any more negative energy.

8. It's okay if you don't have the future figured out.

9. Don't be afraid to ask the important questions in life.

10. Always value yourself. Keep your self-confidence high.

11. Sing your heart out.

12. Sometimes you need to know how to insult someone without losing your class.

13. Guys suck.

14. But hey, a girl's gotta eat.

15. Assert your dominance.

16. Go for a run. And encourage others along the way.

17. Always know when to back down.

18. Never downplay your successes.

19. It's fun to have a second identity. You never know when it could come in handy.

20. How to flirt like a boss.

21. It's never good to hold on to a grudge.

22. Real friendships are for life.