40:57 min
CLEAR ALL
The one thing best-selling author Gretchen Rubin recommends people do in the morning. Oprah says it could "literally change your vibration".
Gretchen Rubin is the author of the #1 New York Times and international bestseller, The Happiness Project—an account of the year she spent test-driving the wisdom of the ages, current scientific studies, and lessons from popular culture about how to be happier.
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