State your boundary clearly: "I will not tolerate rudeness; I am ending this conversation" or "We can continue when you are ready to speak respectfully" [7].
If someone is being discourteous to avoid making a decision (e.g., in a business setting), you can use the "take away": "It seems this might not be the right fit for you right now." This often prompts the person to reassess their behavior to regain control [20]. discourtesy
Using "please" and "thank you" acts as "oil" for the machine of life, keeping interactions running smoothly even when others are abrasive [22]. State your boundary clearly: "I will not tolerate
For further guidance on maintaining social standards, organizations like Martine Cotillions provide resources on navigating modern social etiquette [6]. in a business setting)