In the book "Infamous" by Sherrilyn Kenyon, a character expresses confidence in their ability to keep secrets. They compare themselves to Tupperware, emphasizing how securely they can seal information away from others. This metaphor highlights the character's commitment to discretion and the importance of confidentiality in their life.

The quote emphasizes the idea of trust and reliability when it comes to sharing sensitive information. By likening themselves to a well-known product designed for preservation, the character conveys a sense of loyalty and assurance that their secrets are safe. It reflects a deeper theme of trust in relationships and the weight that secrets can carry.