It's all obvious, though I didn't understand or listen to any of the following until I was at least 35.
  1. Relax
  2. Breathe deeply often
  3. Saying nothing is often better than saying just anything
  4. Drink a pint of water as soon as you get up in the morning
  5. Food tastes better when you've spent time preparing and cooking it yourself
  6. You can choose to be in a good mood
  7. Calling people "Sir" or "Ma'am" worked for Elvis, so it will probably work for you too
  8. Don't drink alone
  9. Keep notes and lots of them
  10. If people want to know your opinion they'll ask for it
  11. Righty tighty, lefty loosey
  12. Making mistakes is the best way to learn how to do things right
  13. Learn from your lessons, or you will never learn anything
  14. Give it time
  15. If you are angry with someone but you need to send them a text message, keep it to 5 words or less
  16. Kiss your mother, you'll wish you had done later on
  17. Buy a new toothbrush once a month, use your old one to clean your running shoes