For him, what was the predictor of health in a person? Coping responses built around fixed rules and flexible strategies. This requires that we fight a reflex common to most of us. If something bad is happening and our attempts to cope are not working, one of our most common responses is to, well, go back in there and just try twice as hard to cope in the usual way. Although that sometimes does the trick, that’s rare. During times of stress, finding the resources to try something new is really hard and is often just what’s needed.