bbianca127 writes "Researchers studied classical conditioning in 55 study participants while sleeping or awake. According to the article, 'Classical conditioning teaches a person or animal to associate one stimulus with another.' The researchers paired tones with scents; when they played a tone, they would let out a particular scent while the participants were sleeping. They found that the participants would make the association between the tones and scents even while awake."
He's like a function -- he returns a value, in the form of his opinion.
It's up to you to cast it into a void or not.
-- Phil Lapsley