As you grow older, what issues do you realize?

Source

1. Books are your best friend.
2. Appearance is not a reflection of character.
3. People don't need to be oiled.
4. Ensuring maximum use of cell phones to improve yourself (Quora is a live example)
5. People treat you according to their needs.
6. Being the reason behind someone's laughter is also absolute happiness.
7. If something doesn't help you find peace, love, relationships, or money, refrain from giving it your time, energy, or attention.
8. The best test would be to see how you treat people who have treated you badly.
9. When you care for someone more than he deserves, you get hurt more than you deserve.
10. The level at which we want to take ourselves can be determined by looking at who we want to spend time with.