[His inhale sounds like a soft hiss while keeping everything bottled up to the point that he just wants to tell this man to go off somewhere else. Still, he had a point but that didn't mean that Lee has to listen to it. Instead, he turns his attention from the past issues to the present.]

I never said I was ungrateful. I learned my lesson. Seeing that we're here for a while, if you see fit, why don't you break it down?

[He wanted to add 'just like everything else you touch', but he knows better. He knows he'll be bested by his father and seeing that Heihachi saw fit not to train him like his brother, Lee reserves his opinions.]

A word of caution, if I may. After a day, the walls repair themselves. I know. I broke it down too.