In "The Hidden Oracle" by Rick Riordan, the narrator contemplates a gesture of gratitude towards Percy Jackson. They consider starting a small fire in his sink to burn some bandages, symbolizing their thanks. However, they quickly realize that this might be an imposition on Percy's hospitality and decide against it. This moment reflects the narrator's awareness of the social dynamics at play and their desire to express appreciation without overstepping boundaries.

This thought process highlights the blend of humor and seriousness present in Riordan's writing. The character's quirky idea serves as a reminder of their circumstances while illustrating their relationship with Percy. Ultimately, it showcases the importance of gratitude and kindness, even as the narrator navigates the complexities of friendship and hospitality in a world filled with supernatural elements.