John loved that, frankly. The adamant Fuck you that said that he was absolutely right but she was too stubborn and willful to ever say so. Hell, that kind of non-argument was enough for him to just let her win. "You just said you weren't interested," he said with a laugh, but just kept on drawing.
"Making them unbreakable," he said, like it was obvious. "Or, really fucking hard, leastways. The chalk fades after a few hours, don't mind it."