Quitting sometimes requires a huge leap of faith—imagining an as-yet unrealized future—and a willingness to take on the possibility of failure, along with the emotional fallout that accompanies it. Since persistence and staying put are the default settings for human behavior, successful goal disengagement can stall on the affective, cognitive, motivational, and behavioral fronts. . . . Keep in mind that both letting go of a goal and setting a new one are essentially creative activities that demand that you be flexible in your approach.