When Robert Quinn's son Garrett went away to college, he was frustrated and wondered how he could shake off his feelings of depression and anxiety. It was a transition that was difficult for both father and son. Bob finally realized that Garrett didn't need to be fixed; he needed his father's love and support. Bob invited Garrett to exchange letters, and together they embarked on an extraordinary journey. Their letters explore myriad topics-- how to find purpose, live with increased meaning and power, and how we can clarify our core values. But the most important lesson learned is that human...