Arthur's shoulders are tense until she apologizes, and then he relaxes a tiny bit. He's watched her pace the room, and he knows that she's just venting at him.

He treats it like water off a ducks' back, since that's just plain easiest.

"He's stubborn as hell," he agrees after a moment. "And if I thought it'd make a difference, I would have told him no. But better me than one of the aliens," he says, nodding to the slightly open door. "He's a good shot, too."

It's not much of a comfort, knowing that Marco takes to it okay. Not great, no, but he doesn't think telling York how Marco reacted the first time is prudent.

"He didn't like it," Arthur adds after a moment, though. "It's not a game to him or something he shrugged off."