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A genuine smile that is being repressed to conceal extreme excitement or emotions.

A smile is a universal, instinctual human expression used to show joy, connection, friendliness, or even comfort in difficult situations. While often deemed a simple gesture, it is a complex, 43-muscle action that serves as a powerful nonverbal communication tool.

Used to show friendliness or comply with social norms, this smile moves the mouth but typically does not reach the eyes. 0Smile

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

Here is a comprehensive guide to understanding, practicing, and improving your smile. 1. The Science and Types of Smiles A genuine smile that is being repressed to

Smiling triggers chemical reactions that boost your well-being. What's the science behind a smile? - British Council

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). Used to show friendliness or comply with social

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