This document discusses violence, its causes, and its impacts. It identifies four factors that can contribute to violent behavior: triggers, arousal, weapons, and targets. It distinguishes between emotional violence, which occurs in response to pain, threats, or frustration, and instrumental violence, which is used to attain a goal. It also notes that people tend to act more violently in groups than alone. The document aims to help individuals assess how their own violent incidents impacted themselves and others in order to reduce future violence. It also addresses the role of violent media in influencing behaviors.