[ . . . buzen nods. that, he understands a little bit less, but.]

... betraying your duty that you chose for your sister would be like betraying the love that drove you to it?

[if he could take a guess. he looks out over the views and nods to himself]

... mm. I went through hell for Matsu - one of the Gous. It's... not quite the same, but it may as well have been. I didn't need to be there and I didn't need to stain my blade and my body in quite so much blood. But... even if it wasn't assigned to me, I would've. For him.

But it's hard to expect the other people who love us to accept it. [he glances over at vax] ... So how're you doing?

If others are treating it like this might be their last moments with you.