Castiel watched as the nurse checked on the new-borns as she changed the name plate. 'Dean Michael Winchester'. This was his newest charge.
Castiel would never understand the human's obsession over these little, pre-human humans. They couldn't do much, were completely dependent on the older humans; but these would his Father's creations in which he and his brothers and sisters are in charge of keeping safe.
He was distracted from his musings as 'Dean' started to fuss, kick feebly about as if he wanted to be held and comforted. He spread his wings, disappearing from the hospital back to heaven.