Ehehe, that's true... But I more meant that those on the ship expect to have a peaceful voyage, and have few options if things start going wrong.
[ A headtilt. ] Hm? I think it's a natural way to practice our skills and showcase those talents for others to learn. My job is to increase awareness and safety, and I believe the self-defense teacher just wants to train others for similar reasons. [ She's never talked to him at length about it, but that's the impression she got, even though Itachi is a far stricter teacher. ]