"As much as my interest would have us repeatedly entangled with one another in our bed - or anywhere the mood struck us - I am afraid that without another sort of...spell or aid, my body would not be able to rise that quickly to the occasion."

Not saying there are ways he can't make himself 'useful' in bed!

"But I feel I have done a fine job of keeping you satisfied so far?"

(He is not actually concerned about this - but then again, is there a tiny fraction of a shred of worry buried way back in the depths of his brain - is he really good enough for her, a Goddess?)