Hello Dr. My name is Sunny,i have to face some kind of problem which might be concerned with my mind that sometimes I afraid , a bad thought suddenly came into my mind  that my family is in danger, sometimes I have a feeling there is something bad happens to me or my family , like cylinder in my kitchen may blast, pressure cooker may blast, freezer sounds like it would blast anytime.sometime I feel a dangerous Disease will caught my one of the family member, and I am helpless. Because of this cowardness and fear I never drive a bike or any vehicle .always have a fear to met with an accident. These things tensed me always. And suddenly make me sad. Please Dr. Is it any disease, or my illusion? Help me to come out of this.