
Have the courtesy to do something
Expectation Violation
Use when someone doesn't meet social expectations, which can be disappointing or rude.

He didn't have the courtesy to hold the door for the next person.
Express Disapproval
Often used to criticize someone's manners when you expect more polite behavior.

You could have the courtesy to apologize when you're wrong.
Sarcasm Intensifier
Can add a tone of sarcasm or irony when the expected action is obviously neglected.

Would you have the courtesy to at least pretend you're listening?
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