Yeah, well. It's something you learn when you're faced by certain situations over and over.

[Which comes across as something she's familiar with as well. No use complaining, no use dwelling, just keep going forward.]

Which is something the rest of these people are going to have to learn. There's probably more than a handful who feel guilty they couldn't do anything for Kamui in the end too, that he'd admit to going to such lengths to live, but that's just how it is. There's only so many times you can say "I wish I could've done something" until it becomes annoying.