This chapter introduces the concept of procrastination as a problem for modern humans. It argues that while following one's instincts may have worked in ancient times, today many pleasurable activities are unhealthy. It presents a framework of achieving the "4 H's" - being healthy, harmless, helpful, and happy - as a way to overcome procrastination and live better. The chapter analyzes why natural human tendencies lead to procrastination in the modern world and previews techniques that will be discussed to help manage behavior and achieve goals.