bad—it’s only bad when the stress outpaces our capacity to process it. Which, alas, is a lot of the time, because… 2. Social Appropriateness. Sometimes the brain activates a stress response and you can’t do the thing it’s trying to tell you to do: “Run!” it says, pumping out adrenaline for you. “I can’t!” you say. “I’m in the middle of an exam!”