This came from my ex-coordinator / gallery owner friend, whom i worked with long time ago. She runs a regular weekly live drawing sessions, and always on a lookout for new models for her group.
Apparently, one guy came for audition, and after some talks they finally sealed the deal. He asked my friend one last question:
are your artists going to draw my face with my body?
My friend was amused, and gave him a definite reply. He smiled and said, "Oh...then..."
"Can i put a paper bag over my head??"
She nearly fell off her seat!
Apparently this guy doesn't want to be recognized (i think he was some top civil servant i guess...) She canned her laughter, and gently turned him down...and he was disappointed by the rejection!
The rest of the day was a laughing history!