What emotional response does William have toward the discussion about sending children to the circus?

William's emotional response towards the discussion about sending children to the circus is characterized by anxiety and a protective instinct. This suggests that he is concerned about the potential risks or dangers associated with such an outing. This emotional reaction likely stems from a sense of responsibility for the children's safety, indicating that he may envision various scenarios that could pose a threat, leading him to feel anxious about the situation. This response highlights a natural protective impulse that often arises in discussions involving children and their well-being, emphasizing William's caring demeanor and his prioritization of safety over excitement or support for the plan.