>>13472017because we need to reproduce and being obsessed or entranced by a member of the opposite sexes face is a good way to lead to that.
as for the specific preferences themselves, its cultural mostly. also a lot of the time people are attracted to others who vaguely look like their parents. sorta a weird mishmash or nature vs nurture but definitely another evolutionary thing nonetheless.
the desire to reproduce is why we are all alive and it also drives many of the arbitrary choices people will make
