Joe B. Hall explains the key to successful living in one’s golden years with a two-part mantra. The first component is the need for joy. “And I’m having fun,” Hall says. F. Scott Fitzgerald, who famously said there are no second acts in American life, would be amazed to see the 82-year-old former University of Kentucky men’s basketball coach. In retirement, Joe B.’s “second act” has been a humdinger, filled with one surprise after another.