1) Practice Gratitude

2) Find a place of Flow

3) Smile More

4) Embrace Your Mistakes

5) Maintain an Optimistic Attitude

6) Surround yourself with Supportive People

7) Learn when to say “No”

8) Unplug & Spend More time in Nature

9) Practice Forgiveness

10) Try New Things

11) Look in the mirror every morning and say “I Love you!”

http://themindunleashed.org/2014/07/11-ways-live-happier-life-according-psychologist-hint-nothing-money.html