If adults were merciful and resolute, we would all see that stress derails:
Babies brains build a basic architecture by forming synapses and then a more complex architecture develops on top of that. For the first three year of life, babies’ brains form 700 synapses a second.
Genes provide the template for this work, but experiences turn the genes on and off. So early life experiences are built into our bodies, encoded in our brains – for better or for worse.