That cultural reinforcement is precious, because it helps to correct for our natural inclination to avoid this work. Reality-Testing Our Assumptions is difficult. We’ll rarely do it instinctively. That’s the whole point of the confirmation bias—deep down, we never really want to hear the negative information. (When’s the last time you earnestly “considered the opposite” of one of your political views?) That’s why we are advocating so strongly in this book for the use of a process, something that becomes habitual. Otherwise it will be too easy to discard this advice in the heat of the moment.

