He can get grumpy really fast but also he's worried, and also genuinely grateful that Livio is here, so there's no reason to pretend he's not. Only pretending that he's not completely out of his depth but he'll manage.

When they are more or less done with what they can think of for supplies, Nicholas will dash to get some extra things, like a couple of changes of clothes. Except there's no clothes of his, which now makes more sense, given that he must be grown up and not living here, but it's still upsetting. He doesn't spend long there.

"Ready!"