[ For a second there's a flicker of quiet rage in his face, though it's not directed at Cassian. ]

Or the people who teach kids to use weapons.

[ And then he thinks of John's girl, what's her name, Chyler. Learning to use a handgun at six.

And he gives. ]

All right, look. Make a deal with me. No gun tonight. If-- [ He almost says if you're still like this in the morning. ] If nothing's changed tomorrow, if you haven't changed your mind, we'll find you some kind of weapon. All right? As long as you promise not to shoot Jyn even if she punches you.