Gretchen Rubin is a successful author and podcaster with a keen interest in human psychology and on a quest to uncover some of the secrets of happiness and share them with others, as she does in her "Happier" podcast and on her books including her latest, "Outer Order, Inner Calm". In this episode, she also discusses with Brandon her "Four Tendencies" framework which is one of her unique insights and contributions to the field.

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