וַתִּשֶּׂ֣נָה קוֹלָ֔ן וַתִּבְכֶּ֖ינָה ע֑וֹד וַתִּשַּׁ֤ק עָרְפָּה֙ לַחֲמוֹתָ֔הּ וְר֖וּת דָּ֥בְקָה בָּֽהּ׃
И они подняли голос свой и снова заплакали; и Орфа поцеловал ее свекровь; но Рут прилепилась к ней.
Ralbag Ruth
"And Orpah kissed her mother-in-law" — meaning to part from her, thus showing that she had not converted except due to her desire for Naomi's son. But Ruth clung to her despite this because she chose the religion of Israel and did not want to abandon her faith. Therefore, she said, "Where you go, I will go; your people shall be my people, and your God, my God."