The largest psychological sex differences occur in the mating domain, sexuality, and the desire for short-term mating. Even in gender-egalitarian countries like Sweden and Norway, these psychological sex differences and occupational choices still exist when people are given the freedom to choose.
The podcast discusses the idea of universal psychological sex differences and whether they exist or not given the biological and cultural factors that influence people.
The study of mating and sex differences shows that there are culture-specific or sociocultural overlays onto the fundamental psychological sex differences, which can make some of these sex differences larger.