It is during fertility that a female loses herself and enters that cloud overly rich in estrogen.

You go into the book store, there's the cut-out of Dr. Phil, and then the dreaded women's health section where every book, instead of the menopause book with the fanged Medusa head on the cover that might be more pertinent, you always see a flower and a poppy and a daisy and a stethoscope.

While at a biological disadvantage in competitions, women - who even make trips to restaurant bathrooms in pairs - are at a clear advantage when it comes to grouping together and the activities that accompany it: gossiping, sharing, bonding, assisting, scrapbooking, and building networks.

Some of us stay married because we're in competition with our divorcing 1960s and 1970s parents, who made such a hash of it. What looks appealing to us now, in an increasingly frenetic, digital world, is the 1950s marriage.