That makes her frown minutely - she feels like there's a difference for her - in power or ease, but not skill - but now it's ever more likely to be attributed to her mental state. It makes sense, with magic being tied to well-being.

She pushes it aside, compartmentalizes again, doesn't quite ask about these would-be-powerful people. "It could still be that affecting how long the magic lasts, I think." She seems to be working through things in her head, looking over the charm work as he eyes flick over it.