The science of wellness: Smile with your eyes

Here is some information from an article about smiling you need.

Main point: "Psychologists call this [type of smile] the 'Duchenne smile,' and most consider it the sole indicator of true enjoyment."

Key points:

• "The intensity of a true grin can predict marital happiness, personal well-being, and even longevity."
• "...researchers catalogued viewer reactions and found that Duchenne smiles correlated with the pleasant films."
• "Mental health researchers soon noticed that wherever positive emotions went, Duchenne smiles followed."
• "...genuine smiles are not transient sparks of emotion but rather clear windows into a person’s core disposition."

Here is a video about what Duchenne smiles look like: