It probably was, but Shin is eager to pass on Adrien's kindness somehow. Especially to someone he finds to remind him uncomfortably of himself. He smiles at Joss and his hatred of rules.

"There's rules, and then there's morals, I guess. Usually if you make sure you have decently good morals things just go better. For you, for the people around you." He shrugs, "Rules don't have to be there to protect you."

He pauses, then smirks at Joss, "Is it working? I'm not sure I know what I'm doing."