In "The Blood of Olympus" by Rick Riordan, characters Leo and Percy share a complicated connection through Calypso. Leo’s feelings regarding this bond are intense, filled with jealousy and frustration. The fact that their only shared link is Calypso ignites a desire within Leo to confront Percy aggressively. This emotional tension adds depth to their relationship and the story as a whole.

As the narrative unfolds, Leo's struggle with these feelings not only highlights his character's vulnerability but also the complexities of friendship and rivalry. The underlying theme emphasizes how love and affection can complicate relationships among friends, leading to conflicts that need to be resolved as they embark on their adventures together.