[He already kind of knows Leon has a sweet tooth okay, he was there helping Stahn pick out lunch for a picky kid who's never turned down a dessert... IT'S ONLY A MATTER OF TIME.

But he'll glance over toward Leon at that, and since he can put one and one together here, he doesn't say anything. There's just a look of sympathy. He hasn't run into any this time, but he understands that the other ghosts can be hellish in their pursuit of citizens. As for that last part:]

I'll join them for a sortie if I run into any. [But apparently he's planning on sticking around Leon for now! Probably to the surprise of no one...!] I won't slow you down or anything, so it'll be fine. It's better to deal with some of these things in pairs, anyway.