While observing trainers of exotic animals, journalist Amy Sutherland had an epiphany: What if she used their techniques with the human animals in her own life-specifically her dear husband, Scott? As Sutherland put training principles into action, she noticed that not only did her twelve-year-old marriage improve, but she herself became more optimistic and less judgmental. What started as a goofy experiment had such good results that Sutherland began...