13 Surprising Facts That Will Put a Smile on Your Face

Your smile is innate
Well, if you thought that you learned to smile over the years, you are wrong, because it seems that we were born with this instinct and this is simply amazing!
“Individuals blind from birth could not have learned to control their emotions in this way through visual learning, so there must be another mechanism,” San Francisco State University psychologist David Matsumoto told Live Science. “It could be that our emotions, and the systems to regulate them, are vestiges of our evolutionary ancestry.”