"That must be quite a talent for you, Miss," he remarks, crossing his arms in front of his chest. "Overreacting, I mean, of course."

Proven it quite well, in fact. He's not sure why there's any need for it, but he forgets how quick to the punch he is to say that someone must die (!!!1!) at any given time. So.

"Hm." He quirks an eyebrow and doesn't say anything more, lest he gets himself into a challenge of sorts that he might regret.