Smiles are as contagious as laughter

1.  75% of people say a nice smile from someone can lift their spirits.
2.  36% say it makes them want to do something nice for someone else.
3.  64% say a smile from a stranger is as good as getting three compliments.
4.  Smiles also make us want to be nicer to folks we just met.  The people we’re most likely to pass the positivity onto are friends, family, and strangers are third.