The method is wrong.
The most fearful thing about learning calligraphy is Tonglin. When you get the copybook, you have to copy it from beginning to end. This is not easy to remember. You have to break through the words one by one and memorize them. Once you get it, Tonglin will do it. It's the stupidest method.
It is very important to learn calligraphy postures correctly, especially for teenagers who are just learning calligraphy. They are in the period of physical development. Developing incorrect postures is not only difficult to correct, affects the progress of calligraphy, but also affects bones and eyes. of health.