In the narrative, Fat is confronted with a dilemma regarding Dr. Stone. He contemplates two stark possibilities: either Dr. Stone has lost his sanity completely, or he possesses an exceptional skill in conversation that has successfully revealed Fat's own profound insanity. This moment reflects the tense interplay between perception and reality, highlighting how one’s mental state can influence their understanding of others.

This internal conflict raises questions about sanity and manipulation. Fat finds himself questioning both his own mind and that of Dr. Stone, creating a layered examination of mental health and the nature of communication. The story invites readers to explore how easily one can misinterpret intentions, leading to a deeper understanding of the human psyche.