[It's just because he likes the lack of windows and how cramped it is, don't worry about it. It's a stupid reason, ultimately. He wonders briefly if the Sixth is considered a "large household," although he assumes from context that it's a family thing and not a broader communal thing.]

Viktor does all the cooking for us— my greatest culinary achievement is a sandwich, and even then- [he makes a face and waves a hand, like, eugh,] -sometimes I overestimate the integrity of the bread.

[Ha ha. He grew up in a place that had a dedicated mess hall and was never once rotated into kitchen or dish duty, he completely understands her struggle. And-]

There's a machine for washing dishes?

[The bunker's tiny kitchenette is visible right behind him, notably without a dishwasher. It's barely more than a sink and a tiny stove in a space this size, so this is news... a dishwasher...]