Kid sounds very sure of themself, she likes that, even though she doesn't take kindly to being denied. Weird grammar aside, she's almost tempted to respect their... wish? fact? Maybe there's a reason they don't want an audience. Would still be a shame, though.

But for now they're still talking to her. She follows their gaze to the knife, conscious of the fact that they could try to lash out at the drop of a hat. "How'd you know?" she asks, genuinely curious.