In her book "Under the Duvet," Marian Keyes emphasizes the importance of health, arguing that it is our most valuable asset. She suggests that good health provides a sense of stability and happiness in life, allowing us to tackle challenges with confidence. Without good health, even the riches of the world can feel meaningless, highlighting the idea that true wealth lies in our well-being.

Keyes uses relatable anecdotes and humor to illustrate her points, making health a central theme in her reflections on life’s struggles. Through her sharp observations, she encourages readers to prioritize their health and recognize it as a foundation for overall happiness and fulfillment.