If we fail to provide boys with pro-social models of the transition to adulthood, they may construct their own. In some cases, gang initiation rituals, street racing, and random violence may be the result. Leonard Sax More Quotes by Leonard Sax More Quotes From Leonard Sax Girls and boys respond to stress differently - not just in our species, but in every mammal scientists have studied. Stress enhances learning in males. The same stress impairs learning in females. Leonard Sax stress girl boys