That our intuition could lead us astray is troubling in direct proportion to the degree of trust we place in it. The solution would seem to be: Don’t be overly trusting. Mix in a healthy dose of skepticism. But suppose we don’t have a say in the matter? Suppose we’re hardwired to trust—to believe in—our instincts, regardless of whether they’re right? Suddenly the problem of not knowing becomes a lot more complicated.