From the family, children start his/her journey to be a good human in this world. They start to understand the environment in the family first. The family make his/her children adapted with the environment and the children must be able adapted with his/her family. After he/she adapted and know about many things that they learn from they family, they are ready to start a new journey to the outside of family.
It was school environment, they met new people. From teachers, other students, school cleaner, and "Bibi" or "Mamang" that sell some foods and drinks in or outside the schools. They start to adapt on a new environment. First of all, it was friends, they start to communicate with other child, she/he try to introduce themselves to other child. In the introducing, the teachers play it role, they trains the students. They make the students know how do they introduce themselves. After they know each other, he/she start to talk, they communicate. Every time they meet in the school, communicate happens. After a long time, unconsciously they make a friend.