

Your dad bod isn't laziness — it's SCIENCE, and evolution's been hiding the receipts.
Becoming a father is an extraordinary adventure in a man's life, but it is also a real physiological metamorphosis that science is only just beginning to reveal. Researchers from multiple disciplines are lifting the veil on these changes taking place in men who are in contact with young children, and their discoveries are astonishing. By tracing the thread of evolution, the film reveals that these deep, long-ignored bonds between men and children are very ancient. And that they are just waiting for the right context to fully express themselves.
Direction
Jacqueline Farmer finds poetry in lab coats and MRI scans.
Writing
Evolutionary biology explained without making you feel stupid.
Production
Global research access — from prairie voles to Swedish paternity leave dads.
Director
Jacqueline Farmer
Trivia, insights & behind the scenes
This film arrives as global fatherhood studies finally escape the 'helper' framework — men as secondary parents is a 20th-century invention, not biological destiny.
The documentary's most radical move? Treating male caregiving as the evolutionary DEFAULT that industrial society suppressed, not some modern progressive invention.