A smile is considered to be a very positive emotion that not only makes your personality more appealing and boosts confidence but is also of a very great help during stress. It is considered the best stress therapy that costs nothing.
The study by a couple of psychological scientists from the University of Kansas suggests that even a forced fake smile works. Smiling during stress automatically sends a message to your mind which changes your neurochemistry. These changes bring a lot of good change in your health.
There is something about this beautiful curve that makes us feel and look better even when life hits hard.