[Unlocking his aura's a great idea and one he'll be grateful for later. Right now he's still shaking off the hits and stretching out again to relieve sore muscles.]

You might be a little late for that. [Even he can admit when he's getting a little too cocky, at least to people he's comfortable around.] But hit as hard as you want. I'm not scared. Just don't break anything because Tadashi would probably get mad.