Female
smiles are appealing to males, increasing physical attractiveness, and
enhancing sex appeal. However, recent research indicates a man's smile may or
may not be most effective in attracting women, and that facial expressions such
as pride or even shame might be more effective (Tracy & Beall, 2011).
In
human, happiness is most often the motivating cause of a smile. However, there
are many exceptions, especially among animals. The exposure of teeth, which may
bear a resemblance to a smile, is often used as a threat or warning
display—known as a snarl—or a sign of submission. For chimpanzees, it can also
be a sign of fear (Freitas-Magalhaes, 2006).
Smile, damn
it! Smile! Because you can’t live in the past and hope to create the future.
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Tracy, J.L., & Beall, A.T. (2011).
Happy guys finish last: the impact of emotion expressions on sexual attraction.
Emotion 11 (6): 1379-1387.
Freitas-Magalhães, A. (2006). The psychology of human smile.
Oporto: University Fernando Pessoa Press.
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