Secondly, Relationship with fewer people contributes to valuable setting through a true friendship that may be last forever. There will be various challenging time to conquer difficulties in everybody's life that needs someone to help. According to the Unicef' record, people who don't have close friend in their life, they live 10 years less than those who have a good friend or partner. Besides, people can trust and feel like being not alone when they are in trouble with their friends. Thus, it would be a valuable link for people who try to keep a good relationship with their close friends.