In "Long Way Down," Buck’s character serves as a reminder of the strict rules that govern life in the story. These rules include things like "Don’t snitch," "Get revenge," and "Always be tough." Buck represents the consequences of strictly following these rules without questioning them.
His life shows how blindly adhering to these rules can lead to negative outcomes. For instance, despite his tough exterior and adherence to the rules, Buck's fate illustrates the cycle of violence and loss that can arise from these beliefs. It becomes clear that following the rules can trap people in a cycle of revenge, leading to more pain and suffering.
Buck acts as a cautionary tale, reminding us that just because something is a "rule" doesn't mean it’s the right choice. His story encourages readers to think critically about these rules and consider the alternatives, showing that questioning these beliefs can lead to a different, potentially more hopeful path.