http://www.marcandangel.com/2011/08/30/12-things-happy-people-do-differently/
Sonja Lyubomirsky points to 12 things happy people do differently to increase their levels of happiness in her book The How of Happiness
1. Express gratitude.
2. Cultivate optimism.
3. Avoid over-thinking and social comparison.
4. Practice acts of kindness.
5. Nurture social relationships.
6. Develop strategies for coping.
7. Learn to forgive.
8. Increase flow experiences.
9. Savor life’s joys.
10. Commit to your goals.
11. Practice spirituality.
12. Take care of your body.