[ No, it is not the Done Thing, but one has to let those sorts of restrictions go in situations like these. The Done Thing simply isn't always workable, after all.
He gives the other a sympathetic smile, recognizing this is not the sort of thing Chekov wanted and that it probably made him uncomfortable on several levels. ]
I can always cook. Does that make it worth something?
[ He blinked, surprised at Chekov's frankness. He wasn't sure what he was expecting, but that... yeah, that was it. He hardly expected the other to throw himself into it after all.
He leaned back, waiting, waiting... and nothing. The barrier remained. ]
I take it back. I'll get you alcohol and cook for you.