“So we’re often in a state of high anxiety over endless possibilities that never even come to pass,” he continued. “We’re constantly tilting at phantoms. If I drive to the store now, will there be bad traffic? I worry about it. I’m anxious about it. Even if my worry turns out to be completely unfounded. This ability to foresee possible dangers has helped us to survive, to dominate the planet, but at a great cost to our psychological well-being.”