Actually, sufferings are naturally within all conditioned states, both materials sufferings for an individual; from aging, sickness and death. So, the unexpected suffering from the reader should refer to the suffering hidden in the happy feeling which is alterable such as the relationship of family type. As each law of birthy, growth and decline, when each person’s time comes, without prior awareness, maybe from an accident or sudden sickness, that unexpected depart therefore becomes nearly unbearable suffering for everyone.