In Rick Riordan's "The Titan's Curse," the character Nico stands up for his sister by confronting someone with a firm yet shaky voice, showcasing his bravery. Despite his nervousness, his willingness to speak out reflects his protective nature and deep loyalty to family. This moment highlights the significance of sibling relationships and the courage it takes to defend loved ones.

This quote emphasizes the theme of bravery, particularly in the face of intimidation or conflict. Nico's action serves as a reminder that even those who may seem timid can find strength when it comes to protecting someone important to them. It illustrates the dynamics of family bonds and the inherent desire to stand up for those we care about, reinforcing the notion that courage can manifest in surprising ways.