In the past, when marriage was a more pragmatic institution, love was optional. Respect was essential. Men and women found emotional connection elsewhere, primarily in same-sex relationships. Men bonded over work and recreation; women connected through child rearing and borrowing sugar. Love within a marriage might develop over time but was not indispensable to the success of the family. Marriage used to be primarily a matter of economic sustenance, and it was a partnership for life. Mating today is a free-choice enterprise, and commitments are built on love. Intimacy has shifted from being a
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