[On second thought, even without John asking that question, no, he doesn't scream military to Cain. Less about his appearance (though the lack of noticeable uniform is fair, Cain himself wore civvies most of his own downtime) and more that overall demeanor.]

Dunno. Could be ex-military or something... but I get the point. [He makes a gesture, as if wanting to tuck the gun into his waistband—only to remember he's not wearing pants. With a frown, he folds it under his arm protectively instead.] Once I'm healed up, I'll find you again.

[To return the gun, and also to test that statement. He's itching for it already, the combat training that kept fighters sharp even against each other, especially against each other.]

... Can you teach me how to use a sword? [🥺] I don't even know what the hell we're fighting here.