After her return to the UK, Kavan began treatment with the German psychiatrist . He became Kavan's close friend and sometime creative collaborator until his death in 1964. They co-wrote "The Horse's Tale" (1949) and Kavan dedicated several short stories to her doctor published in the posthumous collection "Julia and the Bazooka" (1970). It was Bluth who arranged for Kavan to be treated at , a modern clinic where important psychiatric advances were made (1857–1980). There, Kavan received treatment from Ludwig Binswanger, a psychiatrist, pioneer in the field of existential psychology and lifelong friend of Freud.