Alpha Male. Best genes of the tribe get spread, inferior genes die off. Darwinism 101.
In modern Homo Sapien societies, an Alpha Male is someone who combines good looks (square jaw, piercing eyes, symmetrical features, etc.), a healthy body, wealth, social status, intelligence, confidence and charisma.
The 5% who are blessed with most of the aformentioned qualities get to pick and choose their sexual partners. The rest of us... well...
