The truth is that imagine a mouse in a lab – now the goal is to epicurean its palate – so the only way it can develop a sophisticated epicurean palate is by differentiating – hence to begin with the mouse must have many many many options- from good to horrid cheese – as he scurries from cheese experience to cheese experience he begins to discern / differentiate – eventually when he is fully committed to good then an infinite array of ever more slightly better and better cheeses appear