There's a moment of sadness in Hyth's face. "Yes," he says, and then the mask comes back up again and he's got that serene, mischievious smile he always does.

Yes, because he worries what will become of Emet-Selch without him. It's part of why he could never rise to that office...because Hyth can get along fine with Hades out saving the world, but Hades could never do without Hyth beside him.