From the Facebook COO and #1New York Timesbest-selling author ofLean In,and the #1New York Timesbest-selling author ofOriginals:a powerful, inspiring and practical book about finding resilience and moving forward after life's inevitable setbacks.In 2015 Sheryl Sandberg's husband, Dave Goldberg, died suddenly at the age of forty-eight. Sandberg and her two young children were devastated, and she was certain that their lives would never have real joy or meaning again.Just weeks later, Sandberg was talking with a friend about the first father-child activity without a father. They came up with a plan for someone to fill in. "But I want Dave," she cried. Her friend put his arm around her and said, "Option A is not available. So let's just kick the shit out of Option B."Everyone experiences some form of Option B. We all deal with loss: jobs lost, loves lost, lives lost. The question is not whether these things...