The unconscious mind is not the only aspect of the person that needs to learn. The body cells need to learn as well. That is just the beginning. There are many other aspects of the mind as well as the body that needs to learn. The learning results in the making of wiser choices, the release of pain, both emotional and physical.
Aggressive anger is mitigated so that there is a choice made to learn new behavioral patterns.
Here is where the trained counselor can be of enormous assistance. The dreams of childhood, the visions of bright hopeful futures filled with love, success and praise dance through memories filling us with pleasure and sadness. Free will is very muddied by influences from the past. The situation in which we dwell does not concede to the fact that in truth, we are part of a long lineage. The recognition of the influence of ancestors, history and the journey of the soul in the making of our decisions is most recently allowing itself into our consciousness.