Simple ways to be happy!

-Work on something you are passionate about.
-Know that money is a tool for a living and not the other way around--You earn money for a living and not live for money.
-Help people around and also let people help you!
-Smile!
-Be open to the world and the world will open to you!
-See the reality as what it actually is and don't make up excuse for illusions. In another words, too much wishing-thinking makes you blind.
-Know your limit and be content with what you have. In fact, you don't need to get XYZ to be happy because when you finally realize it, happiness is free and you don't need anything to buy happiness.
-Provided that you know what is going on and see the reality, trust yourself, trust your decisions, trust your family and friends!
-Many more...

Happiness has become a new hot research topics in academia. I would like to share with you the research conducted by researchers at University of California: Berkeley on Science of Happiness