A young couple welcome there first child a son when the child becomes old enough to eat solid food. He developes a really strange allergy the parents Take the child to his doctor. And after some medical tests the doctor tells them that the only nourishment the child can safely consume. Is breast milk so the mother induces lactation so she can feed the child. Later on they have a second child a daughter so that after the mother becomes to old to produce milk. The daughter can use her breast milk to feed her brother. And it goes on and on generation by generation until he dies of old age.
