A lot had happened in the two years that Yuffie had spent returned to their World. Sephiroth was not yet at the point where the final straw would topple the delicate house of cards that would become what was left of his sanity. Not that Yuffie would know it, but the seeds were already well-sown and the events in that forest hadn't helped at all. Hence the escape from the other Heroes for a while, retreating into a world he knew all too well- that of a soldier in the field.

Still, she was still mostly the same selfish teenager she was when she had left. Sephiroth didn't care to point that out though, he wasn't in the mood to bait Yuffie like he had before. Maybe that in itself was an unconscious side-effect of the fact she had aged. Maybe he was just tired of the confrontation.

"Two years later and you still think so?" He replied with a rather casual tone, almost as if he were dismissing the idea out of hand.