That is a horrible idea, and Joker hopes it raised eyebrow at her sends that message across. Not one he disagrees with, necessarily, but not one that they can easily-

....Wait.

"He has ta have a weakness," he mutters, hand curling at his chin. "There has ta be a reason the curfew was enforced like that, and besides that he's just a control freak like that. Do ya think he would notice if people tried ta leave the party?"