Not mere friendliness, but the forming of unusually strong and intimate bonds with non-related, non-romantically-involved partners.

Complementary virtues

Contrasting vices

TBD

Virtues possibly in tension

How to acquire or strengthen it

Friendship 101, six basic rules: 1) share news of success with a friend, 2) show emotional support, 3) volunteer help in time of need, 4) strive to make a friend happy when in each other’s company, 5) trust and confide in each other, 6) stand up for a friend in his or her absence. "Psychology Applied to Modern Life" p. 283, based on Argyle, M. & Henderson, M. "The Rules of Friendship" (1984)

Notes and links

Mentioned elsewhere

Inspirational quotes