The complex and abstract nature of love often reduces discourse of love to a thought-terminating cliché.Several common proverbs regard love, from Virgil's "Love conquers all" to The Beatles' "All You Need Is Love". Thomas Aquinas, following Aristotle, defines love as "to will the good of another." People can be said to love an object, principle, or goal to which they are deeply committed and greatly value.
Interpersonal love is most closely associated with interpersonal relationships.
Since the lust and attraction stages are both considered temporary, a third stage is needed to account for long-term relationships.
Attachment is the bonding that promotes relationships lasting for many years and even decades.
vulnerability and care theory of love), including oneself (cf. In addition to cross-cultural differences in understanding love, ideas about love have also changed greatly over time.
Some historians date modern conceptions of romantic love to courtly Europe during or after the Middle Ages, although the prior existence of romantic attachments is attested by ancient love poetry.