1604. How are you today, Mr. Teacher?

The teacher must take care of himself, because he has got to teach for many years and in good shape, if possible. 

He or she should sleep for 8 hours or 7 and a half hour. He ought to walk or do jogging once a week at least, and he ought to go to an excursion for example to a large park or the countryside once a month, I think. / Photo from: skiing winter sports holiday www snowlife org uk