> What if you, one day, bite into an apple that has a worm in? You'll probably feel different about apples after that and you calibration data is now useless.

> What if you, one day, bite into an apple that has a worm in? You'll probably feel different about apples after that and you calibration data is now useless. More likely, what if you think about an apple while hungry. While in a mood for one vs not.