Friendship is a relationship of mutualaffection between two or more people.[1]Friendship is a stronger form ofinterpersonal bond than an association. Friendship has been studied in academic fields such as sociology,social psychology, anthropology, andphilosophy. Various academic theories of friendship have been proposed, including social exchange theory, equity theory, relational dialectics, andattachment styles. A World Happiness Database study found that people with close friendships are happier.[2]