Once clergy were mandated to be celibate in the 12th century, the laity became the sole group sanctioned to practice sex. This logical division forced a theological shift, defining lay marriage primarily by its openness to procreation, a concept not central before this period.
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Paul's statement that a husband's body belongs to his wife, just as hers belongs to him, was an extraordinary assertion of physical equality in marriage for its time. Most subsequent Christian theology, particularly in the East, actively spiritualized or ignored this radical concept.
Contrary to popular belief, Christianity's monogamy isn't rooted in Judaism, which practiced polygyny. Instead, it was a strategic adoption of the prevailing Greco-Roman norm, a move crucial for the new religion to be taken seriously and spread within that society.
When a society's most aspirational role models (e.g., K-pop stars) are contractually celibate and childless, it creates a powerful cultural script against coupling and family formation. This mimetic effect can significantly impact national birth rates by devaluing parenthood as a life goal for an entire generation.
While early differences existed, the Christian East and West only began moving in truly different directions in the 11th century. Western reforms to make the priesthood more monastic—introducing clerical celibacy and papal infallibility—created practical divides that made the schism permanent.
Beyond stated morals, a pro-life stance can be an unconscious mating strategy. By making abortion less accessible, it raises the consequences of casual sex, which disincentivizes promiscuity and helps secure investment from male partners in long-term relationships.
A key transformative act of the Reformation was Martin Luther's push for clergy to marry. This dethroned the celibate monk as the pinnacle of Christian devotion and elevated the married pastor and his family as the new, accessible model for all believers to emulate.
Historically, marriage was a pragmatic institution for resource sharing, political alliances, and acquiring in-laws. The now-dominant concept of marrying for love and personal attraction is a relatively recent cultural development, primarily from the 18th and 19th centuries.
Mandatory celibacy for Western clergy wasn't an early Christian rule. It arose in the 11th-12th centuries from a new theological emphasis on the Eucharist. The belief that priests physically handled Christ's body and blood created a powerful demand for their absolute sexual purity.
The 'lie' of monogamy is not that it's a bad choice, but that culture has sanctified it as the only valid path. This framing turns non-monogamous people into villains and ignores that polygyny is the biological norm for most animals, including pre-agrarian humans.
With a 56-76% failure rate, marriage should be analyzed like any failing technology, not blindly adopted as tradition. Questioning "why" you are getting married is a critical first step that modern culture wrongly deems rude and off-limits.
