“I wasn’t always a spider,” said Spider.
“Oh really,” said Serpent, “what else were you?”
“Well I used to change body depending on my mood,” replied Spider. “If I was relaxed I was a cat. Angry I was a bull. Thoughtful I was a tortoise.”
“Aha,” said Serpent.
“I was a dolphin once,” said Spider.
“Gosh,” said Serpent.
“Yeah,” sighed Spider. “Before that, I lacked a porpoise.”