Granger's lip scraped between his teeth as he thought about that. Of course he could promise that. He knew what her job entailed, and he wasn't about to get her in trouble with her boss by behaving in such a way. Still, there was an off chance that he could be in the club when someone stepped out of line. In that case, he would react.
"I promise I won't start a fight when everyone is behaving," he finally settled on.