Has your mother never told you stories when you were a kid? [ Not.. that he knows he's dealing with one of those sword spirit types here and that that sort of thing doesn't really work that way for them.. But the other guy is small enough that Shinpachi just assumes he's a kid, okay. Especially since he calls just about anyone 20 and below a kid anyway. ]

Don't you know what happens to people who drink stuff when they don't know what it is?

[ He leaves kind of a lingering pause after it.. fill in on the dots, apparently? He's expectant, Hakata, better give a good answer to this muscle mountain. ]