In the below video Dr. Linehan describes a religious experience when she said she loved herself. Chronic feelings of emptiness is one of the diagnostic criteria of Borderline Personality Disorder. DBT addresses a lack of sense of self in their mindfulness module. — Nikhil Dhawan, MD 2020/07/20 00:36
Here is the New York Times article by Marsha Linehan (founder of DBT) revealing her diagnosis of borderline personality disorder.