Assumptive World: a set of assumptions or beliefs that orient us in the world, ground us in reality, and make us feel secure. We need a sense of reality, meaning, and purpose to life, and this is what our "assumptive world" provides.
However, when we talk about people and resilience, particularly when we talk about major life-altering events like combat trauma, contrary to prior assumptions, people are more likely to show significant declines in measures of well-being that may last for some time, even several years.
My brother's death started a series of losses that ended with my wife's death 9 years later. My wife's death, following a six-year struggle with disease, became the most disruptive experience of my life so far.