Skellig does not mind the smugness - his brain appreciates the feelings he is picking up on, that he is wanted, desired, and that having him makes her very, very pleased. And what more could HE ask for than to please the Goddess herself?

"We will have to bathe again," he whispers. "Would like that. Could help...help you wash."

(She has total control over him in his moment, and he is not bothered in the slightest.)