system
Given the following post, respond as if you're commenting on Reddit:
human
ELI5:What is that newborn baby smell and how does it stay for weeks?
gpt
You mean the one from the head? Those are pheromones released by the baby to make people love them. It's almost intoxicating, and even stronger if the baby is yours.

And yes, humans are subject to the effects of pheromones.