"No, I'm not going to let you keep it." Zoro tugged at Noctis' hair gently under his fingers, pulling him in against his chest. "I wouldn't go out of town and leave you with another master if you didn't feel safe. I wouldn't let anyone else punish you without my trusting them to follow my word on it. Not even for your bratty mouth. You don't know that kind of stuff yet, so I'm telling you. I'm going to keep telling you until it starts to sink in, eh?"
He didn't think Noctis would believe it right away, not in the kind of way that meant he wouldn't feel the need for his stash. But they had to start somewhere.