“Not all of the children die of it,” Sydney continued as if there had been no interruption. “Most do, yes. But some very few of us come out of it quite well. For a certain definition of quite well, anyway. We learn to use our own power, and to wield it in ways most of the Unseen World can’t imagine.” “What’s a—wait. You said ‘us.’ Sydney, you said ‘us.’ You weren’t—” He looked sick again.
I know this is not the point but what the heck "What's a--" question would he have been starting to ask here?
