"What do I gotta do??" Like 'what do I have to do so that you won't keep acting like such an incompetent idiot?'.
I know that you know H better than any of us, but aren't you assuming that he was thinking you were acting like an incompetent idiot? I'm not the best at thinking on my feet, but after reading your post, I wanted H to finish his thought, as in "What do you gotta do about what?"