Ron opened his mouth to reply to Harry, and broke off to give Hermione a sheepish sort of grin; but as she sat, he raised his eyebrows knowingly at Neville's portrait.
His anxiety mounted to a certainty when he saw the trunk under to bed, though. "That's really odd," he agreed, nodding slowly. "I think we need to find Daddy - or better yet, just get the hell out." He wanted to know where Luna was, but had a sinking feeling the answer was going to involve some people they really did not need to meet.