The hidden power of smiling

Another build on this post on "How to have a happy life" -  from happiness, to joy ... to smiling.

Ron Gutman: "By measuring their student smiles, researchers were able to predict how fulfilling and long-lasting a subject's marriage will be, how well she would score on standardized tests of well-being and how inspiring she would be to others."

For more insights into the hidden power of smiling watch this 7 and a half minute video.