What is ‘love brain’, the disorder that left a teen in hospital?

Have you heard of ‘love brain’? (Picture: Getty)A teenager from China has been diagnosed with ‘love brain’ after she became obsessed with her boyfriend. Doctors diagnosed the girl, known as Xiaoyu, with borderline personality disorder after she called her boyfriend more than 100 times a day. Her behaviour became so extreme it severely impacted her mental health, and resulted in a hospital admission after she threatened to take her own life. Dr Du Na, from the Ps