In the book "Imitation in Death" by J.D. Robb, the exchange between the characters highlights a tense yet humorous moment. One character accuses another of lacking a sense of humor, indicating a stern or serious demeanor. This sets the stage for a playful yet combative interaction.

The response, promising laughter that will follow after a confrontation, suggests confidence and a bit of bravado. It shows how humor can emerge even in intense situations, hinting at the complexity of the characters' relationship and the underlying themes of tension and resilience in the narrative.