Love is a variety of different feelings, states, and attitudes that ranges from interpersonal affection ("I love my mother") to pleasure ("I loved that meal"). It can refer to an emotion of a strong attraction and personal attachment.[1] It can also be a virtue representing human kindness, compassion, and affection—"the unselfish loyal and benevolent concern for the good of another".[2] It may also describe compassionate and affectionate actions towards other humans, one's self or animals.[3]

Ancient Greeks identified four forms of love: kinship or familiarity (in Greek, storge), friendship (philia), sexual and/or romantic desire (eros), and self-emptying or divine love (agape).[4][5] Modern authors have distinguished further varieties of romantic love.[6] Non-Western traditions have also distinguished variants or symbioses of these states.[7] This diversity of uses and meanings combined with the complexity of the feelings involved makes love unusually difficult to consistently define, compared to other emotional states.

Love in its various forms acts as a major facilitator of interpersonal relationships and, owing to its central psychological importance, is one of the most common themes in the creative arts.[8]

Love may be understood as a function to keep human beings together against menaces and to facilitate the continuation of the species.[9]
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The word "love" can have a variety of related but distinct meanings in different contexts. Many other languages use multiple words to express some of the different concepts that in English are denoted as "love"; one example is the plurality of Greek words for "love". Cultural differences in conceptualizing love thus doubly impede the establishment of a