I actually enjoyed that thsi wasn't entirely mindless and Jack wasn't using the chance just to get Ianto laid, the moments of

You can just take care of this on your own

Use condom and lube

and that Jack enjoys it all right but that it's not his ultimate wish fulfillment to have sex with Ianto like this. It's not a huge sacrifice for him either, but I like that he is very factual rather than weirdly sexy-creepy about it.

Nice stuff. And hot. And realistic, I liked that it was realistic.