"Oh, I had no idea you would find such a discussion between us, which seems very effective, to be mere trivial nonsense in your eyes. Since that's the case, I suppose there's nothing more to say."
Taking advantage of the moment before his opponent tried to regain the initiative in the face of confrontation, he planned to act unexpectedly before the other party could make a move.
The youth then smiled, as if after offering the other enough respect and preparation, he found that the other completely failed to appreciate his gesture, even lacking any understanding of manners.
That was the judgement he had made about his own actions and how to face the issue at hand.
This display of irony, now evident to everyone, didn't require much further thought or questioning.
Continuing with ill-conceived preparations and the wrong attitudes when facing problems would only lead to regrettable misunderstandings of the situation.
