1, the grain breaking time, according to personal circumstances, can not exceed the physical capacity.

You don't want to eat or drink. You should choose the nutrition added during the valley according to your own situation.

3. Some people are not suitable for crossing the valley (you can't write all the specific people who read books, and they are on the Taoist Health Avenue).

4. Pay attention when you restore your diet (it is also in the book, and it is too much to write it all).