He follows her lead as if in a trance, mind racing and yet empty at the same time. He knows he's leaning onto her, wondering how she can hold his weight when mere hours ago, she couldn't even stand, but the light of day had clearly worked it's magic on her, possibly quite literally.
He let's her guide him until he can see the sun starting to set, painting the sky purple and pink and orange with it's rays. Only then does he come back to himself somewhat. It is time for them to find shelter.