A dangerous mental lazinethan lazy brothers, do not know how many times over. And heal mental laziness, even more difficult than cure lazy brothers. Because we do not want to upset the work piece, the various parts of the body, are uneasy and bored. Conversely, if there is interest in this kind of work, happy, high working efficiency, not only physically and mentally but also feel very comfortable. Due to unfavorable labor, physical and mental suffering from depression as a disorder, the doctor called lazy disease.
