A. worrying increases one's body arousal which can prevent normal sleep. Sometimes he should forgot his problems even for just one day and have a rest or leisure time with himself and enjoy his life. He can ask a day-off or one day leave in order to restart himself and think more clearly and having a rest can improve his ability to function properly.
B. British Commonwealth of Nations
The basic unit of the society is the family and family living under roof is called a home. It is not of no doubt that everything happening under that roof is a simulation of bigger economic systems. The budgeting and allocation of the supplies and demands can be patterned on a much larger scale.
