[It's not necessarily neutral, but 'grumpy' is pretty much Kuro's default state of being. Fai just keeps smiling; if he's anything to judge by, there's nothing to worry about.

Fai rests his hands on his hips and slouches back a bit, his lanky frame making the otherwise confrontational pose appear more languid than anything.]

We were there for... a few weeks, I think? I'm sure I can handle it. [He laughs] I've survived battlefields during a war, I should be able to survive dinner service. Unless you'd prefer some sort of trial period?