In another phase of culture shock, the home environment suddenly assumes a tremendous importance. All the difficulties and problems are forgotten and only the good things back home are remembered. It's like an illness. Somewhat. Any other symptom? Excessive concern over drinking water, food, dishes, and bedding; fear of physical contact with attendants; the absent-minded stare; fits of anger over minor frustrations; and finally, that terrible longing to be back home. So, that's why you are here now!