Thor's hand finds its way into the tangle or Tony's growing hair. It's growing out far quicker than his own. A small part of Thor is jealous.

"Maybe tomorrow," he says amiably. Thor doesn't fault him for wanting to make it an early night. It felt like a lot has happened.

Thor's hand shifts from Tony's hair and down to his back. He gives him a few light pats, which might have been normal pats for basically anyone else.

"Go get some sleep. I'll clean things up here."