Today, most women are surrounded by ingenious gadgets. They don't grow the peas or raise the chicken that they serve for dinner; instead they hunt and gather in the grocery store. They go through catalogs or department stores to buy clothes instead of shearing sheep, carding wool, and weaving cloth for skirts and coats and blankets.

We still have community, but we don't seem to have local community. Even in a small town where you know your neighbors and your mother's down the street, they're not in arm's length.

Despite the myth that men are less committed, they are predisposed to desire marriage.

Along with our many human propensities, we evolved a huge cerebral cortex with which we make decisions.

We all have restlessness in long-term relationships.

If we remained perpetually infatuated, we couldn't eat, sleep or work.

The human brain is built to compare; it's Darwinian to consider an alternative when one presents itself.