He bites back a heartfelt fuck you and lowers his head. Deduction isn't his strongest suit, but it's all that's left. As a slave, what he's supposed to do is serve -- make sure that the needs of those around him are met. What Irvin needs right now is relief. Irvin's a dog, though.

Does it matter?

In the beginning, Jade's told him to take care of Irvin. That must still hold true. And at the moment, if he wants to take care of him, then ... well. Still somewhat uncertain, for more reasons than just not knowing what Jade's goal is, he allows Irvin to push him around. He ends up on all fours, not an unfamiliar position.

He shakes his head in disbelief anyway. Strangely, between all the shock, he's not too worried. If he's got it wrong, then Jade will be there to correct him.