[For a moment, she almost looks like she's going to ask, going to say something -- how she didn't realize, of course he must have thought of it, too, of course seeing a happy family like this would affect him, too... but instead, she simply places a hand on his arm.]
That's... a nice thought. [But it's clear she doesn't believe him -- she can't leave her husband, not when the damage would be too much, the scandal, everything... it wouldn't only hurt her but d'Artagnan, as well. It isn't that she's not tempted -- but someone has to be sensible.]