Works well, but not every time. Sometimes, a line of code will behave in a way you don't expect; thus you will wrongly explain it to the duck. I think we lite

Works well, but not every time. Sometimes, a line of code will behave in a way you don't expect; thus you will wrongly explain it to the duck. I think we literally 'see' code that isn't there due to the well known phenomenon of not registering something that is out of the ordinary and instead categorizing it as something expected while actually experiencing it as something that it is not.