This article says absolutely nothing about why humans lost the penile bone. Ok not exactly true, it intimates that humans (males in particular) copulate for a

This article says absolutely nothing about why humans lost the penile bone. Ok not exactly true, it intimates that humans (males in particular) copulate for a short period of time so they didn't need it. From which we can infer that human females preferred not to have to spend a tedious amount of time in copulation. :)