The first answer is the one we talked about in Chapter Three. We’re truth-biased. For what turn out to be good reasons, we give people the benefit of the doubt and assume that the people we’re talking to are being honest. But Levine wasn’t satisfied with that explanation. The problem is clearly deeper than truth-default. In particular, he was struck by the finding that lies are most often detected only after the fact—weeks, months, sometimes years later.
