AbstractThis paper presents a new biological hypothesis regarding the origin of patriarchal societies. It argues that the underlying structure of patriarchy stems not from mere physical violence, but from the hijacking and expansion of the original "spousal loyalty algorithm." This paper analyzes the transformation from "love (high-order tuning)" to "loyalty (Nash equilibrium)," and demonstrates how the "two-against-one" alliance evolved from a survival strategy to a power constraint that locks the computational power of human civilization.________________________________________I. Biological Foundations of Romance and Loyalty1. Love as Evolutionary Specialization: Humans use surplus sexual needs to transform short-term reproductive impulses into long-term "high-order tuning". This specialization (love) aims to reduce violent friction within the group.2. Nash Equilibrium of Loyalty: Loyalty is essentially the optimal strategy under large-scale time games. It locks in resource allocation, enabling individuals to reach a stable survival agreement in an "unsolved" environment, forming the initial "spousal union."II. The "Two-against-One" Model: The Original Cell of Power Structure1. Original Alliance for Survival: The original "two-against-one" was to jointly resist natural risks and external predators. The alliance of the two is algorithmically superior to fighting alone, ensuring the survival of offspring.2. Alienation to the Patriarchal Framework: When this alliance is used for intra-group management, the leader, through the absolute support of the "guardian" (usually a lover or ally with an extremely loyal relationship), forms a stable core of power. This "signal deterrence" replaces direct violence, achieving the first efficient concentration of power.III. Abuse of Loyalty and Algorithmic Deception1. Parasitism and Expansion of Algorithms: Patriarchal societies expand "irrational loyalty," originally used for spousal protection, to obedience to leaders and collectives through culture and morality.2. Alienation of Romance: In order to maintain an asymmetrical power structure, society creates "patterned romance" (as described in sub-topic 2), using it as a tool for "survival fraud." This stifles the real romance that was originally a prelude to innovation, leading to the civilization's inability to achieve algorithmic upgrades.IV. Evolutionary Stagnation: Locking Power on the Real Number Axis1. Internal Consumption of Computing Power: Human civilization consumes most of its intellectual surplus in "maintaining loyalty" and "internal power games".2. Primitiveness of the Stellar Scale: This reliance on the original "two-against-one" framework locks civilization into the internal planetary resource competition, unable to cross the physical threshold into the level of "complex time plane" and "planetary-scale transformation."________________________________________V. Conclusion: Civilization's "First Shackles"• Summary: Patriarchal society is a stable system built on a hijacked "loyalty algorithm". It promoted population expansion in the early stages, but has now become the main obstacle to the evolution of civilization to a higher level.• Implications: Understanding the biological nature of power is a prerequisite for humanity to cross the label of "primitive civilization" and achieve "full-spectrum tuning" and innovative breakthroughs.________________________________________Summary of Theoretical Points• Power is Hijacking: All political structures are essentially an expansion of the original spousal loyalty algorithm.• Two-against-One Formula: This is the physical basis of civilization stability and also the psychological ceiling that limits innovation.