I certainly don't think it's inevitable that we don't love children who don't carry our own DNA. If that were true we wouldn't have millions of successful adoptions to consider. I do think that it's harder to love a child when you come into that child's life after the unrequited passion of infancy and early childhood has passed.
Women's sports is still in its infancy. The beginning of women's sports in the United States started in 1972, with the passage of Title 9 for girls to finally get athletic scholarships.
When, in 1949, I decided to join the little band of early explorers who had followed Albert Claude in his pioneering expeditions, electron microscopy was still in its infancy.
Growing up, my height was faithfully tracked from infancy to my late teens on the door frame of my mom's office - the only place in my family's home in Toronto where writing on the walls was encouraged.
We came along at a time when people were really focused on music. We were part of the second generation of bands after all of those great 60's bands when rock was still in its' infancy.
From infancy, I had been accustomed to hear pro and con discussions of slavery and the American Civil War. Although the British government finally decided not to recognise the Confederacy, public opinion in England was sharply divided on the questions both of slavery and of secession.
Down the country, people in rural areas are struggling to get a speed of even 1 MB, not much better than the old dial-up system we used to have when the system was in relative infancy.
For millions of girls around the world, motherhood comes too early. Those who bear children as adolescents suffer higher maternal mortality and morbidity rates, and their children are more likely to die in infancy.
Our parents deserve our honor and respect for giving us life itself. Beyond this they almost always made countless sacrifices as they cared for and nurtured us through our infancy and childhood, provided us with the necessities of life, and nursed us through physical illnesses and the emotional stresses of growing up.