According to Lyubomirsky, (2001) happiness is the experience of joy, contentment or the positive well-being of a person joined with a sense that their lives have meaning and are worthwhile. These features help us to judge whether the person is genuinely smiling because of happiness or whether it is a deliberately posed smile, or a spontaneously expressed enjoyment smile (Slessor, ‘‘et. Ekman, Davidson, & Friesen, (1990) express however unlike non-enjoyment smiles, enjoyment smiles also involve the contraction of the orbicularis oculi muscles, which change our eye region and makes the eyes narrow and the wrinkles appear around our eyes, he has also mentioned that our eye brows are lowered when we seem happy or smiling genuinely.

The way others see us, as being happy is the expression we give with our faces, our smile, our eyes tell someone wether we are happy, sad, or angry, Slessor, Miles, Bull, & Phillips, (2010) explain that the movement behind expressing a smile is The contraction of the zygomatic major muscles lifts the corners of the mouth obliquely upward into the typical shape of a smile on the face.

Happy emotion