Very strange logic from Zephyr throughout this entire monologue. If you are good only at one thing, then you are a failure lol. Surely, he's from military and a good soldier should be able to adapt to any kind of situation, but also by his logic are that jiisan or his imouto also failures?
But again, this guy fucks prostitutes and goes on suicide missions in secrecy from his much beloved sister, so of course he's strange