0smile <Windows>

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

An asymmetrical, sneer-like smile indicating disdain or superiority. 2. Physical and Mental Health Benefits 0Smile

A genuine smile that is being repressed to conceal extreme excitement or emotions. 0Smile

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

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