In her memoir, Wild, Cheryl Strayed writes about losing one of her boots during her extensive hike along the Pacific Crest Trail. Watch as the author and Oprah discuss what it felt like to be at the mercy of forces Cheryl could not control—and how she learned that the universe never, ever kids around.

Oprah's full interview with Cheryl airs July 22 on "Super Soul Sunday." Tune in to OWN, or watch the simulcast on Oprah.com, Facebook.com/OWNTV or Facebook.com/SuperSoulSunday.

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