ויבאה יצחק האהלה שרה אמו ויקח את רבקה ותהי לו לאשה ויאהבה וינחם יצחק אחרי אמו
The Ramban observes that Yitzchak Avinu’s love for Rivkah Imeinu was inspired by her righteousness and the suitability of her maasim tovim, good deeds, which are the only criteria upon which the Torah predicates the love between husband and wife. This is the only form of love that is enduring. Targum Onkeles interprets the pasuk: “When he/Yitzchak saw that her/Rivkah’s actions were similar to those of Sarah, his mother – v’nasiv es Rivkah, he married Rivkah.” Yitzchak’s decision to marry Rivkah, to have her become Klal Yisrael’s second Matriarch, was grounded on her spiritual similarity to his mother. He sought…