Words are just words, saying it doesn't make it real.

[Even this, as uncomfortable as it is, is a convenient diversion, though he doesn't know it. This is, surely, the problem.]

Zack .. no. Not in so many words. He's been through enough, I don't want him feeling responsible for me too, and ... Sephiroth doesn't remember who I am.

[There's a bitter finality to that last, in voice and bearing. He can't make things right with someone who didn't even know who he was, never mind what he did.]