If you suspended a bow and arrow in the air and drew it back and let it go every arrow would go to the same spot. Why don't your arrows go to the same spot? The reason is that you are interfering with the bow.
Take your middle finger and touch the end of your nose ten times. You will not be able to touch it in the same place. It is humanly impossible. Because of these two facts the following principles may help you.
The most important thing to be able to do in archery "form", is to be able to relax like a rope under tension.
The most important thing to be able to do in archery "aiming", is lining up the arrow tip on the point of aim while seeing your target in your periphery vision at the same time.