Hearing that almost makes him come right there and then, his jealousy briefly overshadowed by a rush of affection. He pauses to compose himself once again, reaching around to trace along Emet-Selch's stomach.

"Good... then you have earned this." He takes his cock in hand and strokes him as he thrusts forward again, a little faster now. It should be enough to nudge them towards the brink, certainly. And where before he was focusing on his own pleasure, this time he's focusing on Emet-Selch. Make him feel wonderful, that will make him want to stay... as if Emet-Selch wasn't already devoted to him, but in this moment he can't seem to accept that the way he usually can.