[Vash is quiet for a bit. Working over what his brother has said. Surprised at the way his brother suddenly doesn't sound like his normal: can do no wrong, confident self. It distracts him enough that it takes him a little while to read between the lines of what Knives isn't saying. Once he does his tied, painfilled eyes go wide with shock.]

Knives. You di-- [He hadn't ever known.] Why? Why would-- [He shakes his head. Vash could understand why. He had tried to starve himself when he had first learned.] I'm sorry. I didn't know. [Or did he? Vash thinks back over their childhood wanderings. Maybe there were times where he had suspected Knives was up to something, but he just didn't want to know about it. Just in case it was worse than what he thought.] I should have realized. I should have been someone you could talk to.