Sounds like it's something you can both agree on, anyway.

[If he was to be honest, he wasn't quite sure what to make of someone in possession of two minds within the same body.

If he was to continue being honest, that wouldn't really stop him from treating that person like he would anyone else.]

I'd give you tips about how to make a Persona show up quicker, but I can't say they'd do you any good. Seems different for everyone, from what I've heard.