Yeah, but maybe that's because I'm a genuine smiler, not a polite smiler.
http://www.psychologicalscience.org/inde...miles.html
Quote:Smile and the world smiles with you — but new research suggests that not all smiles are created equal. The research shows that people actually anticipate smiles that are genuine but not smiles that are merely polite. The differing responses may reflect the unique social value of genuine smiles.
http://www.psychologicalscience.org/inde...miles.html