his primary assignment is to select the souls from the heavenly nursery to be birthed into the material world and spends the next nine months guiding the soul as the babe is being developed inside the mommys womb by informing the new person of what he or she will need to know on earth only to silence the babe before the physical birth by pressing his index finger pad onto the child 's lips , thus producing the cleft below a person 's nose .