Vax's posture is relaxed but his gaze is intent, and there's definitely an air that suggests he'll move if he really thinks a knife is coming straight for him. The only way to tell if he's that fast is to try, and he doesn't think the guy holding the knife is that bloodthirsty.

And then he hears the satisfying thunk of the knife sticking into the wood. He glances over and lifts his eyebrows, actually kind of impressed that it's that close.

"Do it again and I'll kiss you. Unless that's not your thing. I can think of something else."