The problem is that, as with the feeling of rightness, our investment in a belief (or conversely, our indifference to it) has no necessary relationship to its truth. No amount of sunk costs can make an erroneous belief accurate, just as fixing the flat on a junky car can’t make it un-junky. But our sunk costs do have a keen relationship to our loyalty. The more we spend on a belief, the harder it is to extricate ourselves from it. As Anita put it, “there’s a continuum of things you can be wrong about, and some of them are bearable, and some of them are not. I can’t really accept the
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