He feels the bed dip and John's fingers curl, because Ianto is persistent. He's probably grown so used to John being an asshole it's just normal now, but why even try? He can hardly be worth this after all the trouble he's put Ianto through.

"What's it matter? I'm pretty sure you can find a different pilot here to try. I've met a couple. I mean I know Kirk was a Captain but commanding a ship is pretty close too, right?"

Ianto clearly has a type, after all. John has noticed, he's not stupid.