“They found, unsurprisingly, that blocked writers were unhappy. Symptoms of depression and anxiety, including increased self-criticism and reduced excitement and pride at work, were elevated in the blocked group; symptoms of obsessive-compulsive disorder, such as repetition, self-doubt, procrastination, and perfectionism, also appeared, as did feelings of helplessness and ‘aversion to solitude’—a major problem, since writing usually requires time alone.” On the causes of writer’s block.