[Somehow, those words make Knives deflate. Instead of trying to poke and prod at his brother's pain, he frowns and all of the tension and frustration in his face melts.]

Vash... I... [But he's no good at comforting someone over loss.]

I swear, the only people I want to hurt are the ones who forced us into this experiment, and the ones who forced themselves onto you, and I won't do anything more to any of them so long as we have our agreement. I would not go after your friends.