To do discipline your preschooler, it´s very important that you understand that discipline is guiding. Discipline is a hug. And knowing that, you are going to let your child know that your actions and behavior has a reaction or consequence. And knowing that discipline is a hug, you are going to discipline your child thinking that you are hugging him. What do you do when you hug. When you hug, you make them feel safe. They feel love. They feel secure. When you are disciplining, you are doing the same thing. You are making them understand that their action has a reaction. It could be positive or negative.