Hypervigilance. Doesn't matter what he says; every person, to her, looks like a threat. (Though, of course, he has to admit, an older man with combat training and such a brusque manner, protestations of nonviolent intent or not, could look like a threat anyway.)

"As you like," he tells her. He is genuinely unconcerned. He's pretty sure she wouldn't try anything, and if she does, well, aforementioned training. "I had in mind a few basic dance steps - which, incidentally, is where that gracefulness comes from."