And I've kind of kept to that - but my paternal instincts have become very strong.

If paternal instincts had evolved simply for the good of their children, fathers shouldn't care whether they're sleeping with the mother.

He was so lacking in the paternal instinct, he seriously considered putting at least one of them up for adoption.

The students have provided, he says, an outlet for his natural paternal instincts.

Soon their paternal instincts take hold, and they grow attached to the child.

Louka appears proud to have no paternal instincts at all.

Keen for a big family himself, he had clear paternal instincts.

Do they not have paternal instincts that are chemically depressed by crack use?

Later in life Jo recounted that her father had practically no paternal instincts, and the family's existence was always troubled.