Rude shakes his head a little; the question was inevitable, he knows that, even if he's not inclined to give much away even then.

"Had to, back home. Hard habit to break." That's all it needs to be, as far as he's concerned; no need to get into that being just as true of him as of anyone else back home or that most of the people he'd once considered enemies had legitimate reason for that.

Even if the politics of the situation are murkier while they're here, Rufus' presence alone is enough to stop Rude straying from habits long-since trained into him.