I don't know where to draw when copying. Actually, I still suggest starting with the intersection line. In addition, you have to learn not only the shape of line drawing, but also the grasp of structure by others.
3. It is a common problem to draw only one eye. Basically, everyone who studies painting has that stage. Painting together is out of proportion, because you don't have the basic facial structure in the portrait (such as three courts and five eyes). Even cartoons featuring exaggeration are indispensable.
In fact, it is not drawn out of thin air. My personal feeling is that because I have drawn similar things before, my muscles remember them, and I just take out the patterns in my body memory and combine them ... If I practice repeatedly and expand my practice field, many things will be remembered by my body.
Believe me, the feeling of drawing badly is called laziness.
6. I just measured my manuscript, 15cm thick. If the finished product is to be produced now, frankly speaking, for a beginner who can only draw one eye, it is a toad trying to eat swan meat.
7. It is better to start painting when you have time to watch videos. My predecessors have always taught me that I can't draw 400 pictures, let alone that I have practiced.