 He married in 1918 and in the subsequent inter-war period produced the majority of his writing.He first achieved literary success through his novels, notably "Siegfried et le Limousin" (1922) and "Eglantine" (1927).An ongoing collaboration with actor and theater director Louis Jouvet, beginning in 1928 with Jouvet's radical streamlining of "Siegfried" for the stage, stimulated his writing.