John pulls out his flask (since his bottle is empty) and takes a swig. He spends a moment looking over Ianto's shoulder at the monitor, but his eyes slowly drift back up to the ears. They're most definitely attached, and either they grew overnight or he's been very unobservant before. "What I'm not getting is why you have two sets. Should be one or the other, shouldn't it? Otherwise it's a bit redundant. Not that some species don't have more than one set, but you are human. Or at least I thought you were..."