In the book "Breaking the Rules" by Katie McGarry, the central theme revolves around the profound connection between the characters, particularly highlighted by the quote, "Echo…I will never leave you." This statement signifies a promise of unwavering support and loyalty, emphasizing the significance of relationships in the midst of challenges.

This assurance reflects the emotional struggles the characters face and their desire to find solace in each other. McGarry artfully captures the complexity of love and friendship, showcasing how these bonds can provide strength during difficult times. The sentiment behind the quote underlines the resilience of human connections, reinforcing that no matter the obstacles, true companionship endures.