In "The Hammer of Thor" by Rick Riordan, Annabeth shares her thoughts about the ocean, revealing her limited knowledge of it compared to her boyfriend, Percy. This highlights the special connection between the characters, as Percy embodies expertise in areas that Annabeth lacks. Her smile when mentioning him suggests warmth and affection, indicating how important Percy is in her life.
Introducing Percy signifies a deeper bond between Annabeth and him, suggesting that their relationship is evolving. It also sets the stage for their adventures, inviting the reader to anticipate Percy's role in the narrative and the dynamic he brings to the story.