I'm with SGTiger and some of the other posters here with the kind, direct, firm approach.
It's matter of fact. It is not mean, *****y, etc, to simply ask for what you want in your own home. Don't anticipate his reaction and try to prepare for all the possible outcomes. Just be relaxed, brief, and direct. That usually helps me take my own drama out of it so that I can more easily be friendly and direct regardless of the response that ensues (if any does...half the time I have borrowed trouble without need, by anticipating).
ETA: Oops, LOL, I forgot to edit myself, and got edited. I guess you can tell the *****y above was meant to be b****y. :-)
"The best rides are the ones where you bite off much more than you can chew, and live through it." ~ Doug Bradbury