In "Invincible" by Sherrilyn Kenyon, a conversation between Coach Stone and a player highlights the impact of words and the importance of communication. The former first-string running back, Nick, reflects on how the coach's comments affected his position. He acknowledges that while he should have been more assertive in addressing the situation, the coach's remarks led to changes in his role on the team. Nick's response indicates a mix of regret and realization. He recognizes that sometimes it is necessary to speak up and defend one's perspective, especially in a competitive environment like sports. This dynamic illustrates broader themes of self-advocacy and the significant influence of leadership in athletics.