Albert means it, he deeply, truly means it, and yet the rebuttal comes quickly, painfully. The words themselves aren't meant to wound, and yet they do. Isn't that what he promised, when they agreed on a contract? That Albert would provide all Obi-Wan needed? He intended to do that, as far as he could.

So now he looks at Obi-Wan, his hand leaving Obi-Wan's chest to instead cup the side of his face, his expression forlorn, but when he speaks there is some hope that he can correct whatever mistake he has made.

"Tell me, please, where I have fallen short?"