Perhaps Man’s greatest fear is his ultimate irrelevance, that we really don’t make a difference and that in the greater scheme of things, our lives are for naught. This is why people yearn to leave a legacy, and it is often for this reason that people have children. The historical tendency to value male babies over females is due to the fact that it was (is?) the male who would carry on the family name and legacy. Upon marriage, females were typically absorbed into the family of the husband.