Once upon a time in a swamp in Africa, there was an alligator and a bird. They were best friends since they were born. Two days later, Alligator had a horrible toothache and there were no doctors available. Birds father is a doctor so bird crawled inside alligators mouth and cleaned his mouth. Alligator fells better and bird feels better too. Happily ever after. Lesson: A little person can make a big difference.