"You used to be a mouse," said Mickey to his ex-friend Jack. "And now you've turned into a great big rat."
Maybe Jack wasn't a rat, but he certainly was a bully. And he made life very uncomfortable for Mickey.
Mickey's parents had some helpful ideas, but Mickey found that it was easier to talk about loving your enemies than actually to do it, and brave words were often just words.
But then something happened that surprised Mickey as much as Jack. And the unexpected result was that the ex-bully was once more a friend, and Mickey had good reason to be proud of his problem-solving technique.