A Game of Thrones - Pg 431

   Alyssa Arryn had seen her husband, her brothers, and all her children slain, and yet in life she had never shed a tear. So in death, the gods had decreed that she would know no rest until her weeping watered the black earth of the Vale, where the men she had loved were buried. Alyssa had been ded six thousand years now, and still no drop of the torrent had ever reached the valley floor far below. Catelyn wondered how large a waterfall her own tears would make when she dies.