In Sophie Kinsella's novel "Can You Keep a Secret?", the protagonist reflects on the sage advice given by her mother. The quote suggests that women should maintain a level of emotional reserve, particularly in the presence of men. This advice highlights the notion of personal boundaries and the importance of guarding one’s vulnerabilities.

The reference to the handbag symbolizes deeper personal secrets and emotions that one should not easily reveal. This sentiment resonates with the challenges of navigating relationships and the pressures women face in balancing openness with self-protection. Overall, the quote encapsulates a blend of humor and wisdom about managing feelings and appearances in personal interactions.