Narcissa hadn't been one for politics and the like, always sitting back while Lucius took care of such things. And here she was less likely to say much, finding it easier to listen and note, speaking when needing. Which Ryan made it very easy to do with his foul language.
Clicking her tongue, she said, "Is your mind so one-tracked? I mean really, we're trying to collaborate a solid plan and you've got another notion entirely." Rotten Muggle men.