--- title: "Meaning & Key Takeaway of: You do think you know about everything,\"…" description: "\"“You do think you know about everything,\" said her husband. I do,\" said Tuppence.”\" — Agatha Christie" image: "https://sms4smile.com/quotes/i/bc2/agatha-christie-154_marriage_you-do-think-you-know-about-everything-s_1306475.jpg" --- # You do think you know about everything," said her husband… ![“You do think you know about everything," said her husband. I do," said Tuppence.” quote by Agatha Christie](https://sms4smile.com/quotes/i/bc2/agatha-christie-154_marriage_you-do-think-you-know-about-everything-s_1306475.jpg) [Download](https://sms4smile.com/quotes/i/bc2/agatha-christie-154_marriage_you-do-think-you-know-about-everything-s_1306475.jpg) [Open image](https://sms4smile.com/quotes/i/bc2/agatha-christie-154_marriage_you-do-think-you-know-about-everything-s_1306475.jpg) > ““You do think you know about everything," said her husband. I do," said Tuppence.”” [Agatha Christie](https://sms4smile.com/quotes/author/agatha-christie/) ## About This Quote This interpretation was drafted with AI assistance. It is one reading of the quote, not the author's own explanation. A character admits knowing everything, prompting a witty exchange. **In simple terms:** A dialogue reveals confidence and banter. Key Takeaway Use confident dialogue to develop character dynamics. Themes dialogue confidence humor Mood playful sharp Type literary conversational When to use this quote - novel writing - screenplay - playwriting - radio drama Key Concepts character interaction wit knowledge Questions to Reflect On - How does confidence shape a character’s perception? - What balance of wit keeps dialogue engaging? A Different Perspective Over‑confidence can make characters unrelatable. ★ ★ ★ ★ ★ No ratings yet [Marriage](https://sms4smile.com/quotes/about/marriage/) [Mystery](https://sms4smile.com/quotes/about/mystery/) ## Related quotes > [“No," said Tuppence thoughtfully, "he didn't believe it. That's the curious part about speaking the truth. No one does believe it.”](https://sms4smile.com/quotes/agatha-christie/no-said-tuppence-thoughtfully-he-didn-t-believe-it-that-s-the-curious/) [Agatha Christie](https://sms4smile.com/quotes/author/agatha-christie/) > [Tuppence was what my grandmother nicknamed my mother, so she gave it to me. 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