After the sudden death of her husband, Facebook CFO Sheryl Sandberg felt certain that she and her children would never feel pure joy again. Her friend Adam Grant, a psychologist at Wharton, told her there are concrete steps people can take to recover and rebound from life-shattering experiences. We are not born with a fixed amount of resilience. It is a muscle that everyone can build. Option B combines Sheryl’s personal insights with Adam’s eye-opening research on finding strength in the face of adversity.