This section explains the causes of unhappiness by examining various psychological factors such as competition, boredom, fatigue, envy, guilt, and fear of public opinion, showing how these emotions shape everyday dissatisfaction. Russell argues that modern society intensifies unhappiness by encouraging constant comparison and competition, which weaken personal contentment and create persistent anxiety. He also highlights how unnecessary guilt and rigid moral expectations can suppress individual well-being. According to Russell, relying too heavily on external standards prevents people from fully experiencing their own lives. Through this analysis, unhappiness is presented not as a result of extraordinary events but as something rooted in daily habits of thought.