Folie à deux
感応精神病
Anxiety disorder
Codependency
Delusion
Delusional disorder
Erotomania
Cotard delusion
Capgras delusion
Fregoli delusion
Delusional parasitosis
Emotional contagion
Hysterical contagion
Jocasta complex
Major depressive disorder
Mass psychogenic illness
Paraphrenia
Schizophrenia
Slender Man stabbing
Columbine High School Massacre
Folie à deux - Wikipedia