What is the problem of and solution of the book junie b Jones and her big fat mouth?

Oh, dude, the problem in "Junie B. Jones and Her Big Fat Mouth" is that Junie B. can't keep her mouth shut and ends up saying things that get her into trouble. The solution? Well, she learns to think before she speaks and realizes that honesty is important, but so is being kind and considerate. It's like a crash course in social skills for kids, but with a sassy little girl as the main character.