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Men and Women

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					One can, in effect, treat the sexes as if they were different
 species, the opposite sex being a resource relevant to
        producing maximum surviving offspring.

                                          - Robert Trivers (1972)
 Men and women
  designed for
  lifetime deep,
  monogamous
  love
 Female fidelity is
  good for males, so
  females
  developed fidelity
    known human cultures have
 all
  marriage (though varying types of
  marriage)
  › having a family is the norm
  › but 980 of 1154 human societies allow
    men to have more than one wife
     though polygynous marriage is not the norm
 amount of resources, time, energy, etc,
  male parents spend on raising their
  children
 humans exhibit high MPI relative to other
  species
 Moved from forests into savanna
 Became smarter and more upright
    › Narrow pelvis
   Clinging baby + mother gathering food
    › helpless tiger bait
 Females
  reproduce once
  in a long time
 Females should
  be more selective
  about who they
  mate
 Want high
  ongoing
  investment
    › Women: average intellect
    › Men: average intellect
   Intelligence of someone you’d have sex
    with?
    › Women: Oh, in that case, above average
      intellect
    › Men: Oh, in that case, below average
      intellect
 As much sex as
  they can get
  away with
 Attracted to
  fertile-looking
  females
 High MPI species,
  so somewhat
 selective
   measured with electrodes on skin
    › Sexual infidelity – Men more upset
    › Emotional infidelity – women more upset
 two kinds of
  women: the kind
  you respect and the
  kind you just sleep
  with
 “the male may
  actually encourage
  the early sex for
  which he will
  ultimately punish
  the woman.”
 Men and women tend to be,
  respectively, exploiter and exploitee
 Men have more to gain from deserting
  family
   Selection favors
    males who can
    deceive about
    future devotion
    › Self-deception
      effective too
   Selection favors
    females who can
    spot deception
 “resource extraction” hypothesis
 “seeds of confusion” hypothesis
 “best of both worlds” hypothesis
 Women are more sexually active
  around ovulation.
 Successfulmale infidelity is
  advantageous for males
 And if female infidelity was not long-
  standing…
 Average testes weight to average
  male body weight
 Margaret   Mead
  › No needless anxieties about sex
  › Casual lovemaking
  › No ideas of exclusiveness, jealousy, or
    undeviating fidelity
  › If husband caught wife in adultery,
   appeased by harmless ritual
   Derek Freeman
       Upon marriage, good girls manually deflowered
       If girl found with a boy and suspected to have
        lost her virginity, her brothers would “upbraid and
        sometimes beat” her
       Young men who failed at the mating game
        sometimes “forcibly deflower” a woman and
        threaten to tell others unless she married him
       If woman found to be non-virgin on wedding
        day, publically denounced “whore”
 Madonna or whore, cad or dad?
 During childhood, assess local social
  environment
 More attractive adolescent girl, more
  likely to “marry up”
 Evolutionarily advantageous to be
  flexible
   Could think of many
    different hypotheses
    for why these sexual
    strategies were
    shaped
   But cannot argue
    that evolutionary
    psychology is
    irrelevant to the
    whole discussion
   monogamy is not our nature
   Might be better off without this strict monogamy

				
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posted:9/18/2011
language:English
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