Related Clues:

• Obsession taking root regularly from eastern European country
• Extreme obsession
• Delirium or hysteria
• Bieber Fever, e.g
• He and I have a serious obsession
• Fellow, one with a sort of obsession
• Raising target admits an obsession
• Mother, there's an I in 'psychosis'
• Am in a confused state - it's a mental illness
• Docking animal's tail, anyhow, is madness
• Inability to distinguish reality from unreality
• ... or backing away from his country's obsession
• One Irish chap jigging around -- last character in that unfortunate mental state
• Obsession in Philippines capital putting learner off
• Asperger's is a form of it