Is it a show of friendliness, aggression (the bearing of teeth), or a tool for the manipulation of others?

Girl's Behavior
Guy's Behavior
Flirting
Dating
Relationships
Fashion & Beauty
Health & Fitness
Marriage & Weddings
Shopping & Gifts
Technology & Internet
Break Up & Divorce
Education & Career
Entertainment & Arts
Family & Friends
Food & Beverage
Hobbies & Leisure
Other
Religion & Spirituality
Society & Politics
Sports
Travel
Trending & News 
Anything can be used as a tool to manipulate others. If smiles are overrated, you may as well call eyes overrated while you’re at it.
its underrated, especially in the How Do I Look section in gag.
Opinion
1Opinion
No, smiling will never be overrated in my opinion.
You can also add your opinion below!