This is one of the authours of the book, Sex at Dawn, that shook things up several years ago:
Dr. Jason Winters
Registered Psychologist
Sex Therapist
This is one of the authours of the book, Sex at Dawn, that shook things up several years ago:
An idea permeates our modern view of relationships: that men and women have always paired off in sexually exclusive relationships. But before the dawn of agriculture, humans may actually have been quite promiscuous.