She wasn't sure she quite liked the thought of him thinking she'd just waved her undergarments at him, but Molly just decides to douse the whole thing with practicality. So she shrugged, "Whatever works, right?"

And after returning to buttoning up his coat, though she does leave the button closest to her neck opened, Molly goes to find a friend log or something to sit down. She takes a moment to settle the coat around her before she does, since the dress is now very short underneath the coat and she wants to make sure she's still sitting on it instead of his coat when she sits... and success!