- FRIENDSHIP -

 Friendship is a relationship of mutual affection between two o more people. It a stronger of interpersonal bond. Friendship has been studied in academic fields such as sociology, Social psychology, anthropology and philosophy. A world happiness database study found that people with close friendships are happy . 

Although there are many forms of friendship, some of which may vary from place to place certain characteristics are many types of bond such characteristics include affection, sympathy, empathy, honesty, altruism. mutual understanding, compassion, enjoyment of each other's company, trust,the ability to be oneself expresses feelings and make mistakes without fear of judgement from the friend. 

Developmental psychology - In the typical sequence of an individual's emotional development, friendship come after parental bonding and before pair bonding. In the intervening period between the end of early childhood and the onset of full adulthood, friendships are after the most relationships in the emotional life of the adolescent and are often more intense than relationships later in life. The absence of friends can be emotionally damaging. The evolutionary psychology approach to human development has led to the theory of Dunbar's number proposed by British anthropologist Robin Dunbar. The theory is that there is a limit of approximately 150 people with whom a human can maintain stable social relationship.