In "The Lost Hero" by Rick Riordan, a humorous moment arises when a character teasingly points out a scar on another character's lip, recalling a childhood incident where they attempted to eat a stapler. This playful exchange highlights the bond and familiarity between the characters, suggesting a history of shared experiences and inside jokes.

The mention of staplers being an "excellent source of iron" adds to the lighthearted tone of the scene. Hedge, another character, nods approvingly, indicating a sense of camaraderie and perhaps a quirky sense of humor about their past antics. This moment encapsulates the blend of adventure and humor that defines the narrative style of Riordan's work.