When he got stuck—which was often—Wiles would stop, let his mind relax, and go for a walk by the lake. “Walking,” he explains, “has a very good effect in that you’re in this state of relaxation, but at the same time you’re allowing the sub-conscious to work on you.”42 As Wiles knew, a watched pot never boils. You often have to walk away from the problem—literally and metaphorically—for the answer to arrive.43
