Nico suggests to Percy that they should address any underlying issues since they will be together for an extended period at camp, implying the importance of honesty and open communication. His serious tone indicates that there may be unresolved feelings or tensions that need to be discussed to ensure a smoother experience during their time together.

Percy, surprised by this approach, senses a change in the atmosphere. Nico's desire to clear the air signifies the depth of their friendship and the importance of their relationship as they face challenges ahead at camp. It highlights the need for camaraderie and understanding among campers who are about to embark on significant adventures.