Ron Gutman discusses the power of a smile. It is quite interesting actually, there is definitely a difference between a true and a false smile. A smile overpowers the effects of chocolate, this I did not know.
Ah ha! No wonder I like kids so much, they smile all the time! Their smiles are also the most sincere, particularly in babies… they just smile because they feel it’s what they want to do, there’s no underlying reason.