You have to learn not only from your failures. You must also learn from your successes.
Had I not been told to look, I would have quite, ignorant of what was really there, because I had 'made plans' and was wearing visual and emotional blinders that limited my perceptions and my vision.
Allow yourself to lose your way.
The composition is already there, you just need to crop it
When finding the right angle for a shot...'Move your ass.'
You see shape, and how the light hits things, how the color changes from one end of the photo to the other, and how movement affects the mood of the photo.