Gala Afshar posted the following 10 habits of happy people which I totally endorse:
1. Be kind to others.
2. Be optimistic and appreciative.
3. Have no sense of entitlement.
4. Be forgiving.
5. Be honest and humble.
6. Have good manners.
7. Be purposeful at your work.
8. Be mindful and self-aware.
9. Be physically and mentally fit.
10. Spend quality time with loved ones.