The quote reveals the psychology of defensive behavior. In the first paragraph, it introduces the premise: "people only get mad and defensive." This implies that strong reactions often signal discomfort or guilt.
The second paragraph focuses on the trigger: "about certain topics." This phrase highlights that specific subjects provoke defensive reactions.
The third paragraph captures the essence: guilt as the root. The quote underscores that defensiveness often arises when people recognize their wrongdoing or vulnerability. It suggests that heightened reactions indicate underlying awareness of their culpability.