This is considered for a long, long, loooong moment.

Eventually: "Ah."

While it's nice to get a title, it's pretty clear that it's not actually meant for him ... at least not yet. It did explain some things, like how Demyx had reacted before. Perhaps Zangetsu's presence had been terrifying enough to actually prevent any such revelation. In fairness the hollow was pretty intimidating. "... I have some questions. You do not have to answer any of them, because I am not your Superior. At least not yet."

This is about where he's expecting Demyx to decide to take off instead of answer anything, freedom has downsides and the skittish and nervous tend to not hang around the scary things.