Photo: Courtesy of Gayle King

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"My father once told me that marriage is the most important decision of your life—but it should be the easiest."

In June, I moderated a Forbes Women's Summit panel where Spanx founder Sara Blakely shared this quote and talked about having resisted marriage for a long time. But when she met her husband, Jesse, she finally knew her dad was right. There's an awful lot of truth in his advice.