I am 21 year male, I am all time feeling scared of death, due to this I fell sad, lost of confidence. I understood my mind but after some time the become same as repeated thought come .i based this thought but does not balance, someday when we rise in morning a thought come in mind and my very depressed how to verify this thought at the time my I am very anxious. Al this phenomenon happen suddenly when we doing any work suddenly some thought come and after that my mood change .Please help me.