[And he takes it as such, used at this point as he is to her being dismissive about these things -- as much as he might wish it was otherwise, or that there wouldn't be need to be used to it in the first place. So he only laughs a little, shaking his head.]
I know what I know. [It's obvious he's not going to change his opinion, either.]
... Right. [There's something resigned in the way he sighs out, but he doesn't protest; not now, at least. Not outright. But it isn't like he's exactly hiding that it doesn't really sit well with him, either.] If that's what you want.