The Doctor is waggling his tongue suggestively as Vira talks but he's thinking, "Yes, it does but in the letter Ramona said the layers are growing thinner. And in space-time thar's a veil, The Void of nothingness between the universe's in the multiverse - my people The Time Lords - use to watch those walls -," Ten pauses for a moment, "We're in trouble if we start getting too many cracks in there."