He yawns his way down the stairs, ambles over to Bar, sits, and says, "I have a yearning for maple mead today."
Tough. He can have waffles. With maple syrup. And sausages. And orange juice.
He sighs. "You are kinder than I deserve, milady," he says, raising his orange juice in an ironic toast.
I have managed an excellent track record of not poisoning my patrons whether they ask nicely or not.
"Well, I wouldn't want to ruin your spotless record."
He applies himself to the waffles. They are of course delicious.
"That door you just came through has the ability to selectively connect itself to any other door anywhere in any world, and once you come inside and close the door, time stops on the other side until you open it again. It's also individualized per patron. If I open it, I'll see my father's house. If you open it, you'll see wherever you were a minute ago."
The winged person takes a few steps farther into the bar - observes the stars exploding - "...okay, that's weird. How many worlds are there?"
"I have yet to find two the same, but I've only been here a week and I haven't been paying close attention."
"Tested it. Threw something out the door, closed it, read a book, opened the door, watched the ice cube hit the ground."
...The winged man duplicates this experiment. He doesn't read an entire book, but he seems convinced anyway.