> Firmly direct him to end the call right now. Throughout the conversation keep stern demeanour, keep eye contact and the same level of volume when you speak.

> Firmly direct him to end the call right now. Throughout the conversation keep stern demeanour, keep eye contact and the same level of volume when you speak. I'm not quite sure the other person is the one whose social calibration is off. This would be incredibly patronizing behavior unless you're speaking to a literal child. Besides, "Why don't you?" was obviously a throwaway half-joke.