"Tell me when you can no longer support yourself." With emphasis on the when. He expects him to give out eventually.

Ba'al shifts to stand to his side, with his other hand running down the small of Sinjir's back. His hips are canted just enough to allow him to feel a hint of when Ba'al grows hard. He does nothing to stimulate himself, just allowing a subtle way Sinjir can tell how much Ba'al is enjoying himself.

His hand with the device remains hovering in front of his dick. A small pulse joins the sensation as Ba'al varies the intensity. "I wonder..." whispered against his ear, "Can you come without being touched? Perhaps we should try..."