[He lays down that finality and she all but physically strains against it. It just was, he says, it just is, there's no other answer. Kesara doesn't work well with questions that have no answers beyond it just is. And anyway he's wrong. She knows he's wrong. She knows what blood feuds are, even if this is the first time she'd ever been embroiled in one.]

But... [She doesn't think Duster will understand, or at any rate care if she tries to explain about House being Ecks's teacher. So it has to be a different story. And he did give her the hint of one, back when they first talked. When she decided she liked him.]

Duster, you have this friend, right? The one who isn't good at keeping secrets. I remember you told me. Would - would he not have wanted to go after Ecks now, because of what she's done to you? If she did it to him, wouldn't you go after her?

[Maybe they aren't that kind of friends. But it's the only way in she has.]