Some interesting facts/studies about smiling…
Smiling makes you feel better.
Smiling creates a feedback loop that makes you feel good inside say psychologists.
Smiling makes you live longer.
In a study of pictures of baseball players from the 1950s, it was found that those who were smiling lived for seven years longer than their non-smiling teammates.
Smiling makes you look younger.
People are more likely to underestimate the age of people who smile according to a study. It’s believed we generally perceive those who smile to be positive, more attractive and younger.