According to Brian Fikkert and Kelly Kapic, authors of “Becoming Whole: Why the Opposite of Poverty Isn’t the American Dream,” it feels as though there’s something wrong in America. The economy is good, but we’re less happy. Incomes levels are climbing, and yet we’re more anxious and more depressed than ever. The solution, Fikkert and Kapic tell us, is grasping the biblical idea of what it means for humans to flourish.