Rhiannon blinked at him, taken aback. "David," she said, her tone just a little icy. "I am speaking to them, not about them. They're in the room. I'm sorry, my dears," she said, turning back to the twins. "I didn't realise this might be an issue. When the time comes, and we certainly don't need to worry about it at all right now, it will be your choice, not either of ours. And we will not take your choice personally," she said, pointedly. "Can I get either of you anything?"