While the Torah itself spoke of marriage in only a legalistic way, the talmudic literature reinvented marriage as a deeply committed, truly covenanted relationship. The rabbis of the Talmud utilized the verse “Love your friend as yourself” as the legal framework regulating the marital relationship, and they described the marital bed itself as a place where the presence of God should hover. And these were no mere homiletics. The Talmud legally mandates that spouses cherish and respect one another, and take responsibility for the other’s material and emotional welfare. In addition, the Talmud imposed the institution of the ketubah with an alimony payment at its heart, to prevent husbands from seeing their marriages as being easily disposable. In this way, it protected wives and protected the institution of marriage from being undertaken — and from being regarded — casually. Long-term commitment was bred into the system so that marriage would have the strength to endure the crises and conflicts that invariably affect every marriage at some point or another. And this is the legal and ethical nature of halachic marriage.
Rav Yosef Kanefsky, “Ensuring the Spirit of Halachic Marriage”, The Jewish Journal (11-17 April 2014), 12-13.