"That I could manage well enough, the fire." Handling of fire to cook, to keep warm, is straightforward enough - and he has built them in far stranger places than this, even if he cannot remember exactly where those spaces are at the moment.

As far as the amulet goes, he COULD tie it himself, but giving it to her means that she will have another opportunity to touch him.

"Should we put it back now, before you go for water? I do not know how often you are called upon."

After last night, he suspects the other villagers might be avoiding this side of the wall for at least a little while. But it would not do to be reckless...