[ He's not exactly an advocate of breaking promises but there's no way in hell he's about to let Kaori decide she needs to die for doing it, even if it is something that's just ingrained in her. But, ah, the situation's more complicated than that. Turning his attention toward Frey. ]

You guys are tryin' to think of a different promise, yeah? One you'd be able to keep? [ If it sounds accusatory, he doesn't mean for it to; he's just riled up. ] Why not just somethin' like stayin' by your side? [ It's — still her life, but it's a lot more open to interpretation than marriage. ]