In "The Blood of Olympus" by Rick Riordan, the character humorously expresses a belief that the numerous preservatives in processed foods are so potent that they could potentially grant him immortality. This quote encapsulates a light-hearted attitude toward the often concerning topics of health and nutrition, emphasizing how some people may use humor to cope with the realities of modern food consumption. The use of preservatives in food is a common topic, as many individuals debate the long-term effects on health. The character’s comment reflects a playful skepticism about nutritional advice, suggesting that if these additives are capable of prolonging shelf life, they might also extend human life in an exaggerated manner. This perspective adds a comedic relief to the more serious themes present in the book.