The quote reflects the protagonist's struggle with offering an appropriate response in difficult situations. It highlights a tendency to resort to a smile as a default reaction, which can work in many contexts but proves ineffective when faced with serious topics, such as death or illness. This realization shows her growth in understanding social cues and personal limitations.
Moreover, the statement reveals a deeper layer of emotional complexity, indicating that Eleanor is learning about the nuances of human interaction. While she often navigates life with a façade of positivity, the acknowledgment of her shortcomings in handling heavier issues signifies her personal development and the journey she undertakes throughout the story.