When Midoriya tenses, so does Paul. His first thought is Midoriya's sense for danger, but if that were the case, he'd be already launching into action, not still lying in bed with them.

But that's not it. There's something else in his voice that catches on a tripwire of his own. He pushes up to his elbow and looks down at Midoriya with a flush of quizzical concern. It isn't that the words are out of character for Midoriya - it's the opposite, if anything -

He brings his fingertips to the side of Midoriya's neck, not to his pulse but to the ridged arch of his larynx below his chin.

"How tired are you?"