1. You live a surprisingly stress free life.
  2. You never smoke.
  3. You are an optimistic person.
  4. You have a few close friendships that mean a lot to you.
  5. You stay physically active. You get in at least 30 minutes of exercise a day.
  6. You are a relaxed person. You take things as they come, and you're rarely stressed out.
  7. You eat a varied diet - including a lot of fresh fruits and vegetables.
  8. Your grandparents lived until they were very old.
  9. You are constantly exercising your brain - through learning, puzzles, and other cognitive activities.
  10. You live a simple life. You keep things easy on yourself.