第二集：新时期的多巴胺（英文版）

Explores the concept of dopamine and its role in human motivation and happiness. It argues that different sources of dopamine lead individuals to pursue various activities, from physical challenges to intellectual pursuits. The text then delves into the idea of different levels of happiness and cautions against becoming trapped in low-level gratifications, such as social media and instant entertainment, at the expense of pursuing long-term goals and personal growth. Ultimately, it calls for individuals to resist the allure of easy dopamine hits and strive for a life of meaningful pursuits and self-improvement.