I don't know why my smile has become a signature pose. I think it's a nice change. I think people want to see happiness so a smile is what can bring that. I didn't make it my trademark on purpose.
The truth is that relative income is not directly related to happiness. Nonpartisan social-survey data clearly show that the big driver of happiness is earned success: a person's belief that he has created value in his life or the life of others.
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Happiness is when you love who you are and you are able to accept yourself and others.
