He's smart when it counts. When it comes to vanquishing resentful spirits or defeating monsters, he's plenty smart. But... actual day-to-day stuff? Yeah, definitely lacking in the smarts department there. That's what his sister is for. Briefly, he spares a thought to hope she's handling herself alright, wherever she is right now. He would hate to lose her again, so soon after getting her back.

"Ah--! Alright." He follows along like a puppy at its owner's heels, letting her set the pace.