My observations show me that our brain is wired to meet with and handle trauma. My observations show me few humans escape experiencing some form of major trauma in their lifetimes so it has been an easy mistake to blame trauma when a human experiences a mental illness. We should be blaming our disabled nervous systems. Our brain can be resilient in the face of trauma, but it has no defenses against having its functioning disabled at the whim of parents, teachers, or other authorities.
The Relationship Between Prediction Violation, the Fight or Flight Response, and Mental Stability
Karen Kilbane

This explains why the presence of trustworthy people to share one’s feelings with is such a huge factor in bouncing back.