You're a bit too hard with yourself. And your mother may just be a bit overbearing in her Headmistress-like commentary. All due respect to her experience and eye, but individuals are very much entitled to evolve their own specific styles, interpretations and compositions — including you. The works look like studies using alternative processes? The middle pic to my eyes is perfect — it's something the eye lands on comfortably the first time it comes into view. I cannot determine what I am looking at from the left and right side pics.