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  • Research
    • Evidence relevant to Synergy
      • Benefits of intimacy
        • Physiological
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        • Animal studies
      • Costs of disharmony
      • Costs of isolation
      • Shifts after sex
        • Too much?
        • Post-climax cravings
    • Pair bonding
      • Human pair bonding
      • Honeymoon neurochemistry
      • Coolidge effect (habituation)
      • Competing stimuli
      • Neurobiology of pair bonding
    • Neurochemical cycle after climax
      • Dopamine
        • Dopamine and sexual behaviour
        • Dopamine and mood, cognition, cravings and perception
      • Arousal (non-dopamine)
      • Post-climax effects
        • Oxytocin
        • Dopamine
        • Androgen receptors and serum testosterone
        • Opioids
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        • Serotonin
        • Prolactin
        • Glutamate
        • Other physiological shifts
      • Sex and drug use overlap
      • Sexual learning and brain plasticity
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