In the book "Crash into You" by Katie McGarry, the characters experience intense emotions and physical connections. Rachel, one of the protagonists, shows her strength and resilience as she attempts to break free from her circumstances. Her struggle signifies a deeper personal journey that resonates throughout the narrative.

The line "You're strong. Pure steel." highlights the admiration and recognition of Rachel's inner strength. It emphasizes the theme of empowerment within the story, showcasing how the characters draw on their strength to confront challenges and support each other. This dynamic forms a crucial part of their development and the overarching plot.