friend - choose a jigsaw puzzle to solve

Friendship is a relationship of mutual affection between people . Friendship is a stronger form of interpersonal bond than an association. Friendship has been studied in academic fields such as communication , sociology , social psychology , anthropology , and philosophy . Various academic theories of friendship have been proposed, including social exchange theory , equity theory , relational dialectics, and attachment styles. Although there are many forms of friendship , some of which may vary from place to place , certain characteristics are present in many types of such bonds. Such characteristics include affection; kindness , love , virtue, sympathy , empathy , honesty, altruism, loyalty, mutual understanding and compassion , enjoyment of each other's company , trust, and the ability to be oneself, express one's feelings to others, and make mistakes without fear of judgment from the friend.