modern life is rich and varied but full of stress.keep a good mood will help us stay healthy.the definition of health is not only on physical,but on spiritual.fast-paced working or studying will force us to catch up with the step of our life.but the energy of humanbeings is limited,we cannot use it overmuch,or our nerve will be very weak,even a very small attack will knock us down.the way of settling the problem of our nerve is keeping our mood in a peaceful way.a good mood will make us more active,more happy,like sunshine more than the darkness.keeping a good mood can also help us stay healthy modern life is rich and varied but full of stress.keep a good mood will help us stay healthy.the definition of health is not only on physical,but on spiritual.fast-paced working or studying will force us to catch up with the step of our life.but the energy of humanbeings is limited,we cannot use it overmuch,or our nerve will be very weak,even a very small attack will knock us down.the way of settling the problem of our nerve is keeping our mood in a peaceful way.a good mood will make us more active,more happy,like sunshine more than the darkness.keeping a good mood can also help us stay healthy