In no particular order:

1. Making new friends
2. Public speaking
3. Saying “no”
4. Negotiating
5. Daily exercise
6. Active listening
7. Compromise
8. Consistent sleep
9. Taking criticism
10. Budgeting money
11. Avoiding scams
12. Saying “sorry” and “I don’t know”
13. Accepting a compliment
14. Not allowing peer pressure or guilt decide for you
15. Working hard (but not overworking)
16. Expressing your feelings
17. Staying in touch with loved ones
18. Being nice to others who have little to no status
19. Creating art
20. Loving yourself and others