 | auditioning of women for, 114
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 | communication and, 3738
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 | high-testosterone couple, Animal and Michelle, 45, 111, 112113, 116
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 | ''intermittent monogamy," 38
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 | marriage and testosterone, 106112
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 | men, 33, 6970
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 | monogamy and climate, 37
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 | women, 33, 6970
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 | truce between the sexes, 3538
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 | Reproduction
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 | animal pair-bonding and mating, 117120
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 | asexual, 25
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 | attraction of mates, 3132, 36, 107, 108, 117120. See also Courtship.
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