english: They were evolved for a world in which people lived in very small groups, rarely met anybody who was terribly different from themselves, had rather short lives in which there were few choices and the highest priority was to eat and mate today.
non_english: Ze hebben zich ontwikkeld voor een wereld waarin mensen in kleine groepjes leefden, amper iemand tegenkwamen  die echt heel anders was, niet zo oud werden  en weinig keuzes hoefden te maken, met vandaag eten en paren  als hoogste prioriteit.