You can be nice to someone, but don't be nice to him all the time. Because you occasionally good to people, others can remember a lifetime, and has been good to people, but only as a habit. An occasional effort can be rewarded with praise, while a long effort can only be regarded as ordinary. You do housework for a man for a lifetime he will not be grateful, and a lifetime of idleness occasionally wash the dishes can be moved. Better to be clever than to do much