Song of Songs 8:6-9

Place me like a seal over your heart, like a seal on your arm. For love is as strong as death, its jealousy as enduring as the grave. Love flashes like fire, the brightest kind of flame. Many waters cannot quench love, nor can rivers drown it. If a man tried to buy love with all his wealth, his offer would be utterly scorned. We have a little sister too young to have breasts. What will we do for our sister if someone asks to marry her? If she is a virgin, like a wall, we will protect her with a silver tower. But if she is promiscuous, like a swinging door, we will block her door with a cedar bar.