The birth of a child can suddenly displace one's thoughts of ultimate meaninglessness. The birth of a child can have a lingering effect, for months and even years. An effect of persuasion that a fact deeper than nature and philosophy has happened, a fact connected to something behind the veil of the world.
The tropes of biology, philosophy, and religion are insufficient to describe or contain this mystery. A glow of the uncanny is on the brow of a child.