text:  That's the fancy term for it, which really means, I say we've got a brain that's like Velcro for bad experiences, but Teflon for good ones. In other words, routinely, we look for bad news, over-focus on it, over-react to it, and over-remember it. And then along the way, through the activity of the stress hormone cortisol, we become sensitized to irritating things.