It is bad to throw temper tantrums
Mary is with her mom at the grocery store and sees a very sugary food at a discount price.
Mary wants to tell her mom she wants the candy from the store.
Mary asks for the candy and doesn't make an ultimatum.
"Mary starts screaming at her mom that she must have her candy, ""or else""."
Mary's mom gives Mary the candy, and she feels happy.
Mary's mom grounds Mary and Mary feels sorry.