The dark tone of the novel is maintained through the central elements of the Gothic horror genre. Often, a Gothic novel subtly portrays the authors' “repressed anxieties” (Galens, “A Study Guide” 191). Research shows that Frankenstein "reflected [Shelley's] deepest psychological fears and insecurities, such as her inability to prevent the deaths of her children, her difficult marriage to a man who showed no remorse for the deaths of her daughters and her feelings of inadequacy as a writer" (Galen, “A Study Guide” 191). Several aspects of Shelley's tragic life immensely influence numerous plot features of his most famous work, Frankenstein. The death surrounding Shelley drags her into a deep depression in which she imagines a life with resurrection (Galens, “A study Guide” 181; Schoene-Harwood