...Then it's comforting to know how honest our last conversation was.

[Because Niles can see through most lies, even being bad at them himself. So knowing how Gojyo really felt... is it the best way to say goodbye?]

...An apology from him would be meaningless too. As I know he'd never be sorry.

[He shrugs his shoulders.]

An apology comes from guilt. There's little doubt he felt no guilt over that.