My mother have some mental illness. She always suspect my father and my family members. Her condition is getting complicated day by day. She always thinks that my father has some extramarital affair with someone. But there is nothing like that in reality. We have tried our best to convince her to consult a psychiatrist. But she gets more angry when she hears the name of any psychologist or psychiatrist. Actually, from 2008 to 2012 she was treated by a renowned psychiatrist in Kolkata. After 4 years of her treatment she suddenly stop taking her medicine. When we said that she should continue her medicine she was like "No, I don't need medicine because I am totally fine now" Then we all believed her. But we proved wrong within a year. Her mental condition was bad like before. Now I am 18. My board examination is coming up. My mother always quarrel with father without any reason. For them I can not concentrate on my study. Is there any way to cure my mother's problem?