0smile 95%

Researchers have identified up to 19 different types of smiles, though they generally fall into three categories: reward, affiliation, and dominance.

This is the "gold standard" of authentic enjoyment, characterized by the engagement of muscles around the mouth and the eyes (causing crinkling or crow's feet). 0Smile

An asymmetrical, sneer-like smile indicating disdain or superiority. 2. Physical and Mental Health Benefits Researchers have identified up to 19 different types

A closed-mouth smile used to indicate submission or discomfort. 0Smile