In "The Blood of Olympus," Kekrops humorously points out that snake people, being reptiles, do not consume milk due to lactose intolerance. His statement highlights a biological trait of reptiles while infusing a light-hearted tone into their conversation.
Frank joins in with a playful remark, clarifying that he is lactose intolerant too, although he isn't a reptile. He even jokingly admits that he can sometimes act like one. This fun exchange illustrates their camaraderie and the blending of serious topics with humor in their shared experiences.