Chapter three discusses the concept of energy vampires, individuals who drain others of energy. The idea of hiring people with 'batteries included' is mentioned, emphasizing the importance of surrounding oneself with individuals who have their own energy source. There is also a discussion on the comrade mindset, where individuals work together in silence for a set period of time, similar to the concept of 'writers hours.' The Benjamin Franklin effect is highlighted, exemplifying how asking someone for help can improve their perception of you.