Well. Maybe wearing one of the dresses I got him, to start with.

[ he's perfectly content like this, between two people he adores, enjoying their warmth and presence. It is still embarrassing to talk about pleasures of the flesh like this, when it's all unfamiliar to him — but Emet was right, his mind does seem to always seek what is new ]

Then I suppose the specifics of it would have to be left to his preference.