Psychiatrist and psychoanalyst of fame, Boris Cyrulnik, born in 1937 in Bordeaux, has never ceased to expand his knowledge of human behavior in adding to its luggage ethology and the neurosciences. Great discloser of knowledge, author and co-author of over thirty books, one owes him in particular of having allowed the extension of a key idea in the face of a situation traumatic stress disorder : resilience. The action of the “bounce back” literally applicable in the field of disciplines such as psychology, education or sociology. Is a process by which an individual or a…