In the novel "My Sister's Keeper" by Jodi Picoult, the author explores the complexities of truth and deception through the lens of familial relationships. The statement about lies having a unique taste suggests that dishonesty can be deeply unsettling and hard to accept. When one lies, it alters the dynamics and feelings within a family, leading to bitterness and distrust.

The metaphor of a lie as "blocky and bitter" emphasizes the discomfort and unease that comes with it. Lies never fully blend into the reality of a situation, much like an awkward flavor in food that cannot be ignored. Picoult highlights how these lies can impact relationships and ultimately lead to more significant emotional ramifications, making it essential to confront and acknowledge the truth.