A person who cannot name what they want will keep receiving whatever happens to be nearby.
A direct question about desire is an audit, and most people fail it, having moved for years without naming a target. An unnamed want produces drifting, since the mind cannot search for what was never specified, and Jesus opens by forcing the specification.
Two men could have asked for a teaching and received a sentence. Asking instead where he lives is a request for duration, and duration is where character transfers. Asking for information gets information, and the asker walks away with a fact instead of a life.