Why won’t he commit? Why does she inexhaustibly want to talk about the relationship? Why can’t he end our first conversation before he’s attempting to maneuver me into the sack? Why do I have to do so much talking to maneuver her into the sack? Evolutionary biologists can tell you precisely why. It all comes straight down to the sperm and the egg. Let’s take a even nearer glimpse at these two troublemakers. Just about every man produces one-hundred- to three-hundred-million sperm per ejaculation, or roughly a thousand per heartbeat. Sperm are worthless. Men are free to spend them, squirt them this way and that. Who cares? There’s far more where those came from. 50 percent of them arrive  messed up already—broken tails, deformed linings, lacking minds. Brainless sperm will try to impregnate a red blood cell like hounddogs getting ready to hump your leg. Sperm are not what you would call subtle. There are not many secret mechanisms inside a man created to gently nurture a sperm. The iron condor just get created en masse, then fired out. Then we make far more.

Now look at all the work that’s required for  creating one egg. An egg is 85,000 times bigger than a sperm, a female is born with all the eggs she will ever have, and it takes on average 29.5 nights to nurture one treasured egg down its silken passageway. In fact, practically every thing that goes into making a child is in the egg. The sperm contributes absolutely nothing but some DNA material. The rest of the sperm is a power supply system, with a few mitochondria carried along as batteries. Picture a submarine crashing into anything the size of San Francisco to deliver one pizza. The pizza is all San Francisco would require to build some thing the size of the Earth. The submarine disintegrates into the fallopian sea.

In purely genetic terms, the investment that a Homo sapiens guy makes in the sex act is a courtship and a few minutes of his favorite thing in the whole world. Then he’s free to skedaddle and hope to impregnate somebody else. Now, think about the genetic investment an Ice Age woman makes in the sex act. She risks nine months of pregnancy, several years of breast-feeding a helpless blob of flesh, then  a decade of transforming a rebellious teen into a self-sufficient adult. At the same time, she has to prevent predators from dining on her or her offspring, stave off rapists, and gather enough nuts and berries for two. Also, she is required to provide protein for her child. It ain’t simple chasing a woolly mammoth with a toddler strapped to your back.

What we have here~ are distinct reproductive agendas. Look at  this distinction Darwinistically. What would be the optimum reproduction approach for a creature that can generate up to 300 million sperm with just about every ejaculation? Spray them around as generously as possible! Sow the fields with them! Shoot, shoot, shoot, shoot! Hurry! One of these darn things has got to take! What would be the ideal breeding approach for a creature that produces one egg  within a month that, if inseminated, would need a lifetime of labor?

Select your mate wisely.

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