Of course you were.

[He says it and he means it-- but in case Giorno takes it as simple pandering:]

You were trying to keep your friend alive. You were trying to do right. I don't think . . . I think it's something that's too tempting not to try, when you're faced with someone you love dying, when you have the power to change things.

[A beat-- and then he kisses the top of Giorno's head, just as he would Sherry when she was upset.]