He gives her a gentle nudge in the side with his elbow. "You wouldn't have to do it, I would never like, y'know, force you or whatever. Give you an ultimatum. Any of that. 'Sides, knowing how awesome I think it would be, it'll probably take another 12 years for it to happen anyway so you've got some time to think about it some more." He's so down to give her a blowjob if the dude thing ever happens, but he'll be content not to get any action as a woman himself--he just wants the DNA samples. He thinks it's a little absurd that this is even a possibility, a thing that they're having a legitimate conversation about what guidelines should be followed if either of them were ever to switch sexes.

"But hey, if you're up to it, I'm not going to argue the point. As long as you don't decide to like, never speak to me again until my dick is back where it's supposed to be, everything will be good."