How many friends does a person need for happiness?

The human brain is arranged in such a way that people can not have more than 150 friends and acquaintances. Such a conclusion was a group of Finnish sotsiologov.Etim limited number of all social contact person - from the most active to occur on a case by case basis. All other people are simply invisible obscheniya.Soglasno research carried out by Helsinki University of Technology (based on an analysis of telephone conversations, sms, social networks), these 150 contacts for the intensity can be divided into three very different categories. With the most active contacts - people with whom the person is talking daily and is aware of all their news - is limited to just five people. As a rule, members of the family. Friends may call people contacts which are stable, but occur only occasionally, and such contacts, too little - up to 15 people. All other social relations (for a maximum of 120 people) are outside the terms of lits.Takaya picture of the same characteristic as for communication in everyday life, and for virtual communication. Despite the fact that technological innovations have made it possible to maintain an absolutely unlimited number of acquaintances, in fact, the possibility of human perception has not changed: real or virtual brain will adapt no more than 150 contacts in tselom.Britanskie sociologists advise people to have at least ten friends. That's the number of stable contacts, in their view, give one a feeling of happiness. Of the group of persons having "a friend" at least five people, only 40% were satisfied with life.