"Whatever it is you're going to say, i'll help! So save me some time and get to the point, will you?"

He said that as if he had expected you to ask for help. Despite his words, he looked rather exhausted and unstable, as if he hadn't slept in days, and there was a hint of desperation in his tone. He's at the brink of insanity. At first, you were going to commission him. But seeing his state now, you hesitate to do so.

You can either stop him before its too late or push him to his limit.