>>717615062
>There's been studies and cases of relatives that never met each other but that had instinctual aversion
>Hence why we know it isn't just about environment/nurture.
Pffffft. Please. Now let's actually discuss facts here.
>People are instinctively attracted to people that resemble their family members and have their traits
>Most people, if feeling comfortable enough, will quietly admit to "practice" or sexual experimentation with their siblings
>Siblings separated for a long time tend to become infatuated with each other
>Incest is/was a common phenomena in tribal or islander societies
>Most of us are more or less inbred, especially if you are born and raised in a rural or isolated area
>Pic proving you extra wrong
>>717615164
It is only societal expectations. There is no "mental block" or magic pheromones. It's brainwashing.