Violence is passionate. It can only be defeated by an equally passionate force like romantic erotic love. Love is supreme and unconditional. Like is nice but limited. Duke Ellington Romantic love wasn't invented by medieval troubadours or Hallmark card writers or even Erich Segal.
Love is as scientifically real as the measurable chemical changes it unleashes within our bodies.
But it is not eternal. Nor is it exclusive. This is a nasty trick that nature plays on those of us who want to make love last. These pleasure chemicals are natural stimulants and painkillers. Falling in love brews up a chemical goo that permeates our cells, creating a place within us where hormones meet holiness.