Hawkeye laughs.

"Ah, that'll explain it," he nods "I'm from Maine myself, little town called Crabapple Cove, means I can barely handle a hangnail without taking to my bed for a week."

He's still not convinced, mind, but he also doesn't see what the big deal is - so there's something a little weird about her, so what? She's nice and she's on their side, right?

He'll keep a closer eye on her medically, just in case, but otherwise he's just happy to accept that they've got a lucky break here.