Tal Ben-Shahar is American and Israeli professor and author in the areas of positive psychology, organizational psychology and leadership. Tal sits down with the Armchair Expert to discuss his road from squash player to Harvard professor, his trick for mitigating road rage and his psychological approach to solving structural problems. Tal gives tips on building resilience and Dax questions the validity of self-help. The two talk about the reasons behind escalating systemic depression, the idea that humans have more commonalities than differences and the concept of ritualizing positive behavior.