[It's a good question. What does being angry actually do? Giorno doesn't get angry often, so it's not something he's had to consider very much. But anger, like grief, is something that you can't just wish away or pretend doesn't exist.]

[Besides, Bruno was angry. He disagreed and he was angry. Whatever he is now is some artificial state of unfeeling, and that's something Giorno can't quite accept in the same way he can't accept lying to Abbacchio, in the same way he knows that Bruno's life after his first encounter with King Crimson was, in some way, false, that he died then and Giorno never really brought him back at all.]

Things like anger . . . and grief, and regret. Those are the things that make us human. They're the things that prove that we're alive.

[That, he thinks, is what anger does. Isn't that reason enough?]