smile is a expression of pleasure, happiness, or amusement, but can also be an involuntary expression of anxiety. There is much evidence that smiling is a normal reaction to certain stimuli and occurs regardless of culture.
keep smilling,
smile is a expression of pleasure, happiness, or amusement, but can also be an involuntary expression of anxiety. There is much evidence that smiling is a normal reaction to certain stimuli and occurs regardless of culture.
keep smilling,