From last 2 yrs my sister has been suffering from depression,anger,mental stress and yelling.We have consulted doctor and has been using the medicines from past one year.But we have seen no change her behaviour.She easily gets angry without certain reason,suddenly starts scolding everyone and yells very loudly which ultimately leads her to make cry.She often goes into depression.She never share her feelings with anyone.even though we try to knew and understand her but she never gives such opportunity she tries to skip the topic. When she starts yelling she starts blinking her eyes very fast.Can you please help us by providing relevant solution of this problem.