"You know what I mean," she retorted, poking him in the arm. (She was going to have to be careful with that; a hard enough poke and her finger would just crumple.) "I don't have the energy for anything but sleep, but I'm not tired. Not really."

She didn't have much energy for teasing, either. When the attempt fell a little flat, it brought her back to why they were both so glum in the first place, and she hugged him tightly again, in earnest this time.