http://thegodmolecule.tumblr.com/post/48146343226/here-is-a-tribe-in-africa-where-the-birth-date-of

“There is a tribe in Africa where the birth date of a child is counted not from when they were born, nor from when they are conceived but from the day that the child was a thought in its mother’s mind. And when a woman decides that she will have a child, she goes off and sits under a tree, by herself, and she listens until she can hear the song of the child that wants to come.” (click link to read the rest of this very sweet blog)