Writer Anaïs Nin opined that “Each friend represents a world in us, a world possibly not born until they arrive, and it is only by this meeting that a new world is born.” As Nin conveys, friendship can elicit joy, companionship, and growth—enriching our entire experience of the world.

A good group of friends may safeguard you against the damaging effects of stress.

New research reveals why people end friendships.