He nods, again. Amy is Wise, after all.

"If I can."

The other question is a deal more difficult, but he can't hem and haw over it for long, or she'll know it's worse than he's letting on, so he just shakes his head. "It's a rather nasty situation, as I understand it. There's an invasion force from Calormen. Tirian needs all the help and hands he can get. I suppose there will be a deal of fighting."