Examines how motivation develops between the ages of ten and twenty-five, integrating psychological research with real-world applications in education, parenting, sports, and the workplace. The book challenges common incentive-based approaches and presents evidence-based strategies that align motivation with autonomy, purpose, and belonging. By focusing on developmental differences across adolescence and early adulthood, it offers practical guidance for leaders, educators, and managers seeking to support sustained engagement and high performance among young people