0smile [ TRUSTED ]

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

Smiling triggers chemical reactions that boost your well-being. What's the science behind a smile? - British Council 0Smile

Used to show friendliness or comply with social norms, this smile moves the mouth but typically does not reach the eyes. A closed-mouth smile used to indicate submission or

Here is a comprehensive guide to understanding, practicing, and improving your smile. 1. The Science and Types of Smiles 0Smile