Some women prefer larger penises because they make it easier to achieve vaginal orgasms during sex. But he also concluded that other factors contributed more to perceived attractiveness than endowment, and that tall men and men with broad shoulders were universally considered better looking.
'Our results support the hypothesis that female mate choice could have driven the evolution of larger penises in humans,' he wrote. In 2012, Mautz studied how penis size influences sexual selection. 'Female mate choice could have driven the evolution of larger penises in humans.' 'Before clothing, the nonretractable human penis would have been conspicuous to potential mates,' researcher Brian Mautz reported.