Once I'm more certain of which it might be, I'll tell you. But until then, it'd do more harm than good to speculate.

[He doesn't want to worry her, or tell her anything that will cause her more problems if it turns out he's incorrect. George's answer to his question gives a very clear thing to focus on in the meantime, though--]

Reggie?

[A younger sibling, he's guessing by context, but it's still definitely best to ask.]