He had made the choice to move out so there was no reason at all to hold it against Yuffie even if the inherent awkwardness they'd lived with had contributed to the decision. As with all other Heroes he knew of and might pass in the street, Yuffie would always get the polite nod.

Sephiroth stopped as she called out after him and, taking a breath he turned to look over her again. His brow furrowed as he looked over the small frame of the girl. He hadn't noticed, no - not being one to go around staring at teenagers in that way at all and so didn't see much of any difference in Yuffie herself offhand.

"Did you get a haircut or something?"

Something was different, he quickly concluded. However exactly what escaped him; maybe it were all the layers of clothing, considering how cold it was.