Friends, family and teacher have a big influence over how you feel, think, and behave. 

Parents come first. As they are present from infancy, a child is very much influenced by the parents. It might be the language, eating habits, table manners, the customs and traditions etc which actually form the base of the child's personality development.

When the child starts schooling, he or she spends almost half the day with the teachers and friends. Hence teachers behavior influence the child's character.

Have you heard of imitational learning? It's also called as rote learning. It is a type of learning where the child incorporates or learns things through observation without knowing the exact meaning of what is being taught. He or she imitates. For example, when a teacher shows actions while teaching a rhyme, the child learns the actions first and then learns the connection between the words and the respective actions, often not knowing what exactly it implies till the teacher explains neatly. So teachers behavior towards students, apart from teaching, also influences child's character development. If the teacher is very sweet and kind enough to teach the same topic again even after repeated times, the student also develops a sense of love and care which in turn forms the basis for the child's mental and emotional health, socio-emotional development and cognitive development.

Friends influence the child extremely in the pre adolescence and adolescence age. Everyone must know how, as teenage is considered as the “age”. So yes, all the three influence the child's character.

If answering these questions convinces you that your friends are indeed a bad influence, should you dump them? Unless they're really bad, probably not--such a dramatic act might harm your mental health even more than they are harming it. What you can do is shift how you spend your time. Get together less frequently with them, and work on finding new friends who really "get" who you are and what you value.

Here are five reasons you should be careful who you surround yourself with:

1) Strong-willed friends can increase your self-control. 

2) Fewer friends increases the likelihood you'll take financial risks.

3) Close friends could be the secret to longevity.

4) Friends can greatly influence your choices. 

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