Prof Catherine Salmon joined me on the latest episode, she is an evolutionary psychologist with an interest in female sexuality, pornography and how birth order in families affects sibling relationships within the family and beyond.
https://www.redlands.edu/study/schools-and-centers/college-of-arts-and-sciences/undergraduate-studies/psychology/meet-our-faculty/catherine-salmon/
https://www.amazon.co.uk/Secret-Power-Middle-Children-Middleborns/dp/0452297931
https://www.amazon.co.uk/Warrior-Lovers-Evolution-Sexuality-Darwinism/dp/0300093543