[So this boy blames himself. Whether or not he's justified in doing so isn't Itachi's concern, but had they been truly immortal, it's interesting.]
Or it may not have mattered it all and they would still be dead. When something happens, it happens. One cannot say whether an event is meant to be or merely happenstance.
[He turns away, ready to leave.]
As long as one lives with honor unto themselves, then how or when one dies will never be an issue. The living cannot take that away from the dead.