He pretends to consider it, but honestly he wants more too- and he wants to prove to Emet-Selch that he's the only one he should have eyes for.

"Very well." He says it sweetly, letting go of his cock in order to wave his hand and create the vial of lubricant he needs. "Since you're being so good, now..."

With a smile he slicks his fingers and teases at his lover's entrance, leaning over him again as he pushes a finger inside him. Oh, Hades won't be able to walk properly for a while after Hythlodaeus is done with him... the thought warms him as he slides another finger in and starts to work him open.