Our RED system doesn’t forget these moments, because they’re moments of social threat. The RED brain is brilliant at storing these moments away as implicit memories, even if we can’t recall the moments explicitly, so it can warn us if similar situations reappear. When that happens, our RED memory of the event – apparently asleep for years but in reality only resting with one eye open – springs to life. It reminds us, in an instant, of the social threat, and our RED survival system is reactivated. It doesn’t matter that these days we don’t consciously recall the original threat; the RED system makes us feel it anyway.