Your smile say's a lot . Did you know that a baby smiles while in his mother's womb and continues to smile when born. Smiling can add years to your life. How many of us smile more than 20 times a day? Do you know that children smile as much as 400 times a day. Smiling is contagious. If you don't think you have something to smile about look in the mirror
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I’ve heard that even when we are not happy, just the act of smiling can “trick” our brain into feeling joy. Smile often 
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Smiling also utilizes fewer muscles than frowning. It's a win-win situation.
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