One likes the smell of another whose immune system is significantly different from one’s own, which ensures that their offspring inherit the best possible immune system.
Men pick pretty girls with curves because pretty means symmetric and symmetric means good genes, curves means hips and breasts of substantial size which means plenty of space to incubate a baby and plenty of milk.
Women pick muscular men with body hair because muscles means he can drag home a moose for dinner and body hair keeps her warm at night. Ha!
Despite our modern trappings and recurring fads favouring androgynous women or adolescent-y men, we are not very different from our caveman/hunter-gatherer/nomadic forefathers.
Still very intact is our instinct to react to violence with violence, pain with pain. To give ourselves credit, we have learned to curb our impulses. Some have chosen to rely on the law of the land to hand out appropriate penalties. Some look to higher entities or simply karma to dish out well-deserved comeuppance. Some truly turn the other cheek.
In Memoirs of a Geisha, the protagonist describes her first experience in getting her hair done Geisha-style, the hairdresser dragging hot wax over her hair. She bears with the pain and contemplates that humans have truly been cultivated. If the hairdresser had attempted to do the same to a cat, the cat would surely have made good use of those sharp claws.
Isn’t it instinctive to hit out at someone who hits you? Isn’t it instinctive to be angry when someone assaults you?
Nothing more to say.