educational and entertaining content. At the start of the work, the author introduces the concept of "involuntary contrepéteries," which occur when speakers accidentally mix up sounds, leading to comedic blunders. Through a series of vivid examples involving various characters—from a nervous young actor to a prominent lawyer—Dupré-Carra illustrates the potential social embarrassment caused by such slips. He emphasizes the importance of careful language use to avoid these pitfalls and suggests that through attentive observation and practice, individuals can master the nuances of speech to prevent such comedic mishaps. The opening sets a light-hearted yet insightful tone for the exploration of this fascinating linguistic phenomenon. (This is an automatically generated summary.)