Many of us have battled with mental illness, or will in our lifetime. If you are experiencing a mental health challenge, you might have visited a psychiatrist, a psychologist or some form of therapist. In so doing, you might sit across a room from a stranger to whom you will divulge your secrets. You may feel ashamed. Or cry. You will certainly feel exposed.

British author Linda Gask has felt that vulnerability. “I know what it’s like to be in the chair on the other side of the room. I know…