In art school they had us draw with markers taped to yardsticks or bricks! They also taught us to keep our eyes on the model never on the paper. I often draw with my paper in the dark and my subject lit. I am not saying this stuff to throw shade on you, just to communicate how we were taught that drawing was gestural. A conection between eye and the arm ("draw from the arm not the wrist") not from the brain to the hand... when I taught I advised people to trace drawings and photos, trace their own drawings, teach thier bodies what it feels like to draw.