The first cause of a problem with the topic is that they don’t seek out social engagements. They tend to think that working or solving problem alone is the best thing because they are enjoying themselves and they are not good at social interaction. They always have a group of close friends only. In some cases, they have been tremendous stress and pressure from the family and society, so that they would be silent. They do not perceive that they do not meet the needs of a large group, so they need to work on their own. They are often viewed as separate and this causes motivate them to be even more introverted. So it has an effect on a teenager's and parents don’t converse. The solution is parents should have outdoor activities for creates relationships between parents and teenagers.