One day hades, the God of underworld happened to glance up the world above and noticed persephone, daughter of Zeus and demeter. He feel instantly in love, one day he roused himself to go olyumps and ask Zeus for persephone's hand in the marriage. Zeus was pleased and give his consent, knowing demeter never allow the union he kidnapped her . Persephone was distraught, crying so much as forming the river cyan. Eventually she fall in love with the cold - blooded hades.