Relationship between human reproductive behaviour and Sexual Selection

1. What did Buss (1989) find?

Across cultures there a preference for a female 0.7 waist to hip ratio going an hourglass figure
In a cross-cultural study, it was found that men valued physical attractiveness more than women and women valued valued financial success more
Both sexes had a preference for symmetrical faces as they represented healthier genes
Short term mating preferences in women allowed the women to leave poor quality relationships and have genetically diverse offspring increasing likelihood of their survival

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The less time a man spend with a woman before sex the more women he could impregnate
Men were more attracted to women with young faces with characteristics such as large eyes, small nose and chin
Both sexes had a preference for symmetrical faces as they represented healthier genes
Women are attracted to masculine features such as a square jaw and rigid eyebrows in men as they're associated with high levels of testosterone, suggesting they have healthy genes as testosterone surpasses the immune system

Deterministic to suggest that natural selection based on based on whether they have good genes completely determines the mate we choose, not all relationships are carried out for reproduction e.g. birth control, homosexual relationships
Reductionistic to reduce a complex subject of mate choice down to natural selection
Cause and effect relationship cannot be established
Both sexes had a preference for symmetrical faces as they represented healthier genes