What effects does the inspector have on Gerald and Eric while they are alone?

While Gerald and Eric are alone, the inspector's presence prompts a significant shift in their behavior and moral introspection. Gerald becomes defensive and evasive, trying to maintain his composure and protect his reputation, while Eric reveals his guilt and vulnerability, acknowledging his role in the tragedy surrounding Eva Smith. The inspector's interrogation exposes their insecurities and the impact of their actions, leading to a deeper reflection on their responsibilities and the consequences of their privilege. Ultimately, this interaction signifies the unraveling of their facade and the moral dilemmas they face.