Lives Well Lived ANNA MACHIN: the evolution of love
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Sep 4, 2025 
In this engaging discussion, Anna Machin, an evolutionary anthropologist from the University of Oxford, dives into the science of love and bonding. She elucidates the biological roots of attraction and the neurochemistry behind falling in love. Listeners discover the distinctions between lust, attraction, and the complexities of jealousy within monogamy and polyamory. Machin also shares insights on how cultural norms shape our understanding of relationships and the essential role of paternal figures in fostering emotional bonds and resilience in children.
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Instant Biological Algorithm
- Attraction operates as a rapid unconscious algorithm assessing biological market value from sensory cues.
- Oxytocin and dopamine trigger confidence and motivation to approach potential partners.
Chemicals That Push You Forward
- Oxytocin quiets risk detection while dopamine drives motivated action toward a partner.
- Nucleus accumbens lights up to help you initiate new relationships.
Why Love Can Be Blinding
- Oxytocin reduces amygdala activity and deactivates mentalizing regions early in relationships.
- This lowers risk detection and explains why people overlook clear red flags.
