Ruth 1:16-20

But Ruth said, “Do not plead with me to leave you or to turn back from following you; for where you go, I will go, and where you sleep, I will sleep. Your people shall be my people, and your God, my God.

Where you die, I will die, and there I will be buried. May the Lord do so to me, and worse, if anything but death separates me from you.”

When she saw that she was determined to go with her, she stopped speaking to her about it.

So they both went on until they came to Bethlehem. And when they had come to Bethlehem, all the city was stirred because of them, and the women said, “Is this Naomi?”

But she said to them, “Do not call me Naomi; call me Mara, for the Almighty has dealt very bitterly with me.