Gretchen Rubin on the Greatest Challenge to Living a Happy Life | SuperSoul Sunday | OWN

Gretchen Rubin had the kind of life that could very well make others jealous. She was married to the love of her life and raising two daughters. She lived and worked in New York, her favorite city. She graduated from Yale University and Yale Law School, and she once clerked for Supreme Court Justice Sandra Day O’Connor. Gretchen knew she was blessed. Why, then, wasn’t she happier?