You do not blame yourself, I really do not know how to answer you, in fact, all things in this world are karmic: karma, people gather, karma fall, people scattered, everything is a fixed number, gone let him quietly go well, alive to live well, cherish the present life, bless your father in that belongs to him in the world to be happy and joyful, and I wish that you can forget those sadness, come out of the shadows, and a happy I hope you can forget those sorrows, come out of the shadow, and live happily.
All things are certain