Jotaro is GREAT person and he secretly adores Holly but is a tsundere son. The thing with Jotaro is he hides his gentleness with a tough facade but I'll give you a little spoiler. When it's done he says goodbye to his friends with actual tears in his eyes.
That's nice , enjoy your shitty dub voices and the fact that it makes no sense for Japanese in Japan to all speak English. Enjoy it the improper way and continue to do so it's no skin off my nose I just consider it plebeian which it is to any real otaku.