We say things like "I'm stressed this week" or "how are you coping?" with such frequency that these are almost generic terms for any unpleasant psychological experience we might have. The words "stress" and "coping" have become so much a part of the vernacular that we might forget they were originally technical terms used by psychologists. We probably have a sense that stress is on a continuum, less intense than things like depression or PTSD but also more than everyday hassles. And we likely also think about different ways of coping (if we think about coping at all), with the inherent idea that some ways of coping are probably healthier than others in some undefined way. The terms "stress" and "coping" are like the "Kleenex" of psychology -- former brand-name terms that now have acquired a much broader and more diffuse meaning than they originally had. The 1984 book Stress, Appraisal, and Coping , by Richard Laz...