Genetics commands. How is it that in all tribes and peoples always the man was going to hunt, and the woman was guarding the cave and children.

50% of marriages end in divorce. Telling gay couples and in fact is 70%
Our first instinctive behaviors are: mourn, suck.

A man resting for 70% of brain activity. Women constantly receives and analyzes information (infants)

A woman knows all about his son. A man only knows that these are those people short, they walk around the house.
The retina has 130 million photo-receptor cells (cylindrical) to see the grays and 7 million (conical) for the colors. The woman has twice the color (14 million) for what she describes and distinguishes colors better. They are also more white surface.

Women have greater peripheral vision to monitor around the cave and the best man has tunnel vision, to stare into the room to hunt.

The woman looks better when driving during the day and night man.

The woman looks better up close, (computer, threading a needle).

Women have better ear (being alert in the cave) they can hear two conversations at once. The man did not, and background noise (TV, music ...) anything. So off to talk on the phone.

For every man who can sing in tune, there are 8 women.

The woman's skin is more sensitive. If he says "Do not touch me, touch it, but do not touch anything else.
The woman's skin is thinner, which explains its more wrinkles.
Women have more taste and smell, because they tasted it before their babies were eating.

He prefers to sit in a restaurant against the wall and watching the door, to be alert for any attack or escape. In bed choose the side nearest the door. In a restaurant, the woman immediately know who are partners, as lead, who has discussed, who is a wolf, etc.. The man looks at the outputs, the machines, beer taps, if these fail, etc.

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