第122单元：做就对了

　　Psychologists say it takes about 12 weeks for a person to from a new habit.

　　心理学家说，一个人要养成新习惯需花上十二周的时间。

　　In the initial stages of undertaking an exercise program,you may find yourself gritting your teeth and forcing yourself to "just do it",as the commercial puts it.

　　在开始一项运动计划的初期，你可能会发现自已得咬紧牙关，强迫自己像广告里听说的一样”做就对了"。

　　Keep at it and be patient.Force of habit will eventually take over，after which you will struggle less and enjoy your activity more.

　　要耐心地坚持下去，习惯的力量终将使你就范，之后你就不会再这么挣扎了，并且能享受你所做的活动。