This article by Kate Murphy originally appeared in New York Times
What we do for appearance may have a bigger impact than anticipated – SA. Let’s say you’re walking down the street and coming toward you is someone pushing a baby in a stroller. The baby looks right at you and bursts into a big, gummy grin. What do you do? If you’re like most people, you reflexively smile back and your insides just melt. The baby might react by smiling even more broadly and maybe kicking its feet with delight, which will only deepen your smile and add to the warm feeling spreading in your chest.
But what if you couldn’t smile naturally, with the usual crinkles around your eyes and creases in your cheeks?View the Original Article