[Psychiatry and psychoanalysis: a crazy dialogue]

The relation between psychiatry and psychoanalysis has been and is complex and fertile, in the frame of coincidences and differences. The common sense will be the first point that will allow us to guide the reflection. The hermeneutic treatment of the sense and its opposite, the non sense, will open the way for enquiring a diversity of concepts: 1. A different use of the word. 2. The consequent destination between two ways of the truth. 3. It is extracted from the previous point two positions that I call: psychiatric volunteer and the psychoanalyst's desire. At the end of the article, we explore different positions, but not necessarily incompatible, referred to the suicide act risk.