My unicorn parents called me a worthless mud pony. They pushed me every day to overcome my lowly status. When I woke up one morning with my cutie mark, I thought they would love me. I couldn't have been farther from the truth.
The mirror pool clones are just reflections; shadows of the original. Shards of her soul. Only one clone lived long enough to form their own soul, through experience and emotion - and the mirror pool won't let her back in.