You shouldn't say bad things about your kids to them.
Shawn's children are misbehaving in the house.
Shawn wants to stop the children's misbehavior.
Shawn works to correct the children by showing them a better way of acting.
Shawn tells the children that they're stupid and petty, trying to get them to stop misbehaving.
The children slowly learn to behave better.
The children lose their self-esteem and learn to hate Shawn.