[As Waver speaks, a deep frown crosses Diarmuid's face. Those are the exact same thoughts that have been floating around his mind only in a much vaguer form]

That...is my mistake. My fault... It is why I wanted so long and, in the end, it meant nothing after all. I still couldn't find the right way to do it...

[He looks down away, eyes growing distant.]

I don't know what else to do and...I'm a little afraid of trying. After what my brother said when I woke up... After what I said before I died... Sephiroth calls out the dark in me and he knows it now. What am I going to do?