"I give up! How do you humans cope with, with... being human?""Wait, you're not human either?""What do you mean, 'either'?"Turns out, we're all faking it.(Except Bob. Go Bob!)
@MicroSFFLem had a story about a human spy on a planet of robots. Guess how it turned out :-)
I don't remember the title, but it was published either in Mortal Engines or The Cyberiad. I'm away from my library, can't look it up.