She shook her head. "Babies are the obvious result... but not the primary purpose at all.  Babies give meaning to the future, and that is a great goodness.  But only three or four or a dozen times in a woman's life is a baby quickened in her... out of the thousands of times she can share herself - and that is the primary use for what we can do so often but would need to do so seldom if it were only for reproduction.  It is sharing and growing closer, forever and always.  Jubal, Mike grokked this because on Mars the two things - quickening of eggs, and sharing-closer - are entirely separate... and he grokked, too, that our way is best.  What a happy thing it is not to have been hatched a Martian... to be human and a woman!"