Nobody wants to spend eternity alone. - Greg Egan

The Extras were as clean as they'd ever been in their lives, and their hair - and beards in the case of the older ones - had been laboriously trimmed, in styles that amusingly parodied the latest fashions. Gray had almost gone so far as to have them clothed - but after much experimentation he'd decided against it; even the slightest scrap of clothing made them look too human, and he was acutely aware of the boundary between impressing his guests with his daring, and causing them real discomfort. Of course, naked, the Extras looked exactly like naked humans, but in Gray's cultural milieu, stark naked humans en masse were not a common sight, and so the paradoxical effect of revealing the creatures' totally human appearance was to make it easier to think of them as less than human.

Still, for the first time in our lives, we would have been through exactly the same experience, from exactly the same point of view -- even if the experience was only spending eight hours locked in separate rooms, and the point of view was that of a genderless robot with an identity crisis.

How does it feel to be seven thousand years old?
"That depends."
"On what?"
"On how I want to feel."