Are we to say that any individual who's on steroids that has an angry moment is due to steroids? What about the individual who gets angry and kills someone who's not on steroids? What do we blame it on now?
It's the repetition of affirmations that leads to belief. And once that belief becomes a deep conviction, things begin to happen.
The human young must learn to perceive these affordances, in some degree at least, but the young of some animals do not have time to learn the ones that are crucial for survival.

