In "The Rosie Effect" by Graeme Simsion, the narrative explores how rational thinking plays a crucial role in addressing the complications brought on by emotional turmoil. The protagonist faces various challenges, driven largely by feelings and the chaos they lead to, necessitating a return to logical reasoning to find clarity and resolution.

This shift towards rationality underscores the balance between emotion and logic in human relationships. As the character navigates personal dilemmas, the emphasis on rationality demonstrates its importance in untangling complex situations influenced by emotional responses.