Craxiskrak-sis

n. The unease of knowing how quickly your circumstances could change on you--that no matter how carefully you shape your life into what you want it to be, the whole thing could be overturned in an instant, with little more than a single word, a single step, a phone call out of the blue, and by the end of next week you might already be looking back on this morning as if it were a million years ago, a poignant last hurrah of normal life.