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Humans are less ornamented than other animals like birds, but they do have ornament which mostly consists of smoothness, averageness and symmetry ([[beauty|simplicity]]). Such ornament and exaggerated sexual attraction to it may have evolved by [[Fisherian runaway|runaway selection]]. Courtship of both sexes involves presentation of this ornament, e.g. a male may groom himself and show off a nice smile, whereas the female may present breast and buttocks. | Humans are less ornamented than other animals like birds, but they do have ornament which mostly consists of smoothness, averageness and symmetry ([[beauty|simplicity]]). Such ornament and exaggerated sexual attraction to it may have evolved by [[Fisherian runaway|runaway selection]]. Courtship of both sexes involves presentation of this ornament, e.g. a male may groom himself and show off a nice smile, whereas the female may present breast and buttocks. | ||
Geoffrey Miller suggested that human intelligence and social behavior has also been selected by runaway selection and is merely "cognitive ornament", with males eliciting super stimuli in women in order to be selected, e.g. by humour and artistic performances (see [[Fisherian runaway | Geoffrey Miller suggested that human intelligence and social behavior has also been selected by runaway selection and is merely "cognitive ornament", with males eliciting super stimuli in women in order to be selected, e.g. by humour and artistic performances (see [[Fisherian runaway]]). In fact, instrument building has been a near exclusively male activity across cultures.<ref>https://incels.wiki/w/Scientific_Blackpill_(Supplemental)#Women_were_historically_predominantly_involved_in_cooking_and_they_never_dominated_men</ref> Though this notion conflicts with data mentioned above that neither IQ nor extroversion, but only looks matter during initial romantic interest, so only very superficial behaviors may have (in part) been selected this way. | ||
== Expensiveness of courtship == | == Expensiveness of courtship == | ||