“When our brains were initially configured, back in the caveman times, they were optimized for making split-second decisions that aided our survival. What’s interesting, though, is if you haven’t taken the time to install scripts overriding that initial configuration, those settings are still set on default in your modern mind4: Notice the bad, the negative, and potentially harmful, and focus on that. Relive difficult moments in order to learn. Worry about the future. Have a strong need to belong to a group, fit in and contribute.”