In this passage, the character observes someone with yellow eyes that reflect a profound sense of loneliness rather than despair. This observation hints at the emotional depth and connection between the characters, suggesting that the loneliness is an inherent part of existence. Instead of hopelessness, there is a recognition of that deep emotional void shared by many.

The imagery of the world being cored to its heart indicates a universal experience of isolation that resonates beyond the character's immediate feelings. It suggests that while loneliness is a personal experience, it is also a shared human condition, underlining the complexity of human emotions in Cormac McCarthy's narrative.