[That makes him reel a little, looking stunned by the comment, and scowling a bit.]

...If you could even call that a defeat—whatever, don't matter. Next time won't have the same result.

So, you better watch it!

[While his tone started out like that of a petulant child, it does ease into something more playful at the end. There's even a trace hints of a smirk on his face.]