Why Some Cultures Frown on Smiling https://t.co/rfoKWjhHEv https://t.co/aC0j6pW1CX

Why Some Cultures Frown on Smiling https://t.co/rfoKWjhHEv http://pic.twitter.com/aC0j6pW1CX

— Jerry Rosser (@psychologyofjoy) October 4, 2017