He shifts closer to her, allowing their shoulders to touch in an attempt to steady the both of them. His hand grips hers maybe a little tighter than he means it to, but he's got so little control over his motor abilities by this point that the fact he can hold her hand at all is what matters.

Once they're set up, he starts walking again. They need to get out of here. He needs to get her out of here, because he can't watch her die, even if she's not the right oliveblood.