In Jodi Picoult's book "My Sister's Keeper," the theme of darkness is explored in a relative context, suggesting that perceptions of hardship and suffering can vary significantly among individuals. The quote emphasizes that what one person considers dark or challenging may not hold the same weight for another. This notion invites readers to reflect on their personal experiences and understand the complexities of human emotions.

The story delves into the lives of a family facing difficult medical decisions, highlighting the emotional and moral dilemmas they encounter. By illustrating the diverse perspectives on struggle and resilience, Picoult encourages a deeper understanding of empathy and the realities that shape each individual's experience of darkness.