[That's one less to worry about, at least after whatever havoc can be wrought in the thirteen years between them at home. Jotaro can't quite bring himself to smile, but he relaxes at the news.]

Good. The fewer of those things there are in the world, the harder it'll be for some psycho with delusions of world conquest to become unstoppable. [He should've said global conquest, but you know what? Freudian slip.]