2. Relationships aren't for everyone.
3. Neither are organized sports.
4. Don't put up with insults.
5. Don't believe everything you hear.
6. Don't be afraid of the future.
7. You should always tell the truth.
8. Lend an ear to anyone who needs to talk.
9. It's OK to ask questions.
10. It's OK to be an introvert.
11. It's important to keep your emotions in check.
12. Maintaining friendships can be hard.
13. Getting away with things can be hard.
14. Music is a great escape.
15. Exercise is important.
16. Be cautious of germs.
17. Give credit where credit is due.
18. Facial expressions mean everything.
19. If you've got it, flaunt it.
20. And last, but certainly not least, how to scare away a bird.
Source : Buzzfeed