This exercise should build your health without risking it and without damaging it. By law you are required to attend school. Make sure your time is not wasted. Make sure that some of your courses are with helpful, hard-driving, teachers. Ask them for advice on what to do or what could be useful to you.
Further advice follows.
It repeats in part advice given in previous appendices. Look for the ideas new to you and for ideas worth repeating. When you are preparing for a test or for a future lesson, your studying is done when you can find no ideas new to you. Try to remember the names of places, people and ideas. You can use the names in conversations, essays and tests later.