This has usually come in the form of a wish. I wish I was born from you . How you relate to each of your children depends upon so many different factors. Perhaps you enjoy your quiet, contented child more than the boisterous one, or it may be the other way around. Each parent may react differently toward each of the children.
Some people delight in a child's academic achievements.
Some are happier with a child who shows athletic skills. And your choices will probably change throughout the years. Even day by day you may find that one child feels like your favorite one day and the next day it may be another. Some days you will have all you can do to like any of them. Everything that happens between people has something to do with the way they relate to each other and certainly the carrying of a child and giving birth to him or her has something important to do with that relationship.