delusions are typically characterized as statements about external reality. While often defined as pathological beliefs. Delusionists represent an individual and personal view of reality. A man who says he is a woman is in fact delusional and suffers from a mental illness. Some key characteristics often associated with delusionist individuals can include: Unshakeable Certainty: Patients express delusions with unshakeable conviction, making them resistant to falsification or counter-evidence,