By “imaginary threats” I meant the things that may or may not happen in life that the human mind tends to worry about. Unlike stress, which psychologists define as our reaction to an actual stressor, anxiety involves rumination or fear over something that might or might not happen, such as potential bad outcomes in jobs or relationships or fear that the world’s going to unravel, even when there’s no actual, tangible threat at the moment. I’ve written about anxiety here: https://elemental.medium.com/how-anxiety-fuels-your-anxiety-27a4d4b15277