What does the butterfly-chick get out of this relationship? Usually tooth-cleaners get to eat the bits of food stuck in the teeth, which is why they do it in the first place...
HaroldRowsdower said: What does the butterfly-chick get out of this relationship? Usually tooth-cleaners get to eat the bits of food stuck in the teeth, which is why they do it in the first place...
Simple. He gets the ultimate predator as his buddy -- by keeping that predator well-maintained and happy, by being its pal, he exempts himself from the near-endless laundry-list of Things The Ultimate Chimera Can Kill.
EDIT: He also ends up exempting himself from the near-endless laundry-list of Things The Protagonists Can Kill. After all, all he ends up doing is un-pressing the button, right?