It makes me very happy to hear you say that, even if I'm not sure of it's truth.

[After all his understanding of it is iffy. And ...frankly that he ran from his owners would make him in the "wrong" more so than their mistreatment of him would. Complicated...]

I...I will do my best. I'm afraid ...Tatsumi-san has more than exceeded my expectations for how I'd like to be treated. If you do something to question that, it must be quite terrible...but I will try to tell you if that happens.

[Implied that he doesn't think he will need to. Really, his standards are on the ground and Tatsumi successfully stepped over them.]