“Hur hur, Frankie Boy! How many fingers am I holding up?”
Frank groaned. “Ronald, you’re a tortoise. You don’t have any fingers.”
“C’mon, Frankie Boy! Play along!”
“Fine. Zero.”
“Ya got me!” grinned Ronald.
The aquarium was blissfully peaceful for about ten seconds. Then:
“Hey, Frankie Boy, pull my finger!”