People who don't get enough validation and acceptance for their actions often go astray of the community they are in, they don't feel accepted in it so they don't feel connection ot it and can often lead to violence or severe case of depression
You want approval of your parents, your friends, family, people close to you, you want them to like you and accept you. There is a great quote
The child who is not embraced by the village will burn it down to feel its warmth. - African Proverb