Oprah on Her Gratitude Journal (VIDEO)

10/07/2012 05:10 pm ET | Updated Mar 13, 2015

Sixteen years ago, Oprah started a gratitude journal and, every day, began writing down five things she was grateful for. From fresh flowers to the kindness of a stranger, Oprah says acknowledging these things made her more receptive to the goodness in her life.

Find out why she believes keeping this journal was the single most important thing she's ever done.

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