"There is always a monster issue in everyone's life."
Well ... nobody's life is smooth sailing. There is always something lurking around in the shadows causing a turbulence and you need to be armed at all times to confront this monster. This monster issue is the kind that cannot be defeated and is always there in the closet. You need to be able to understand that this monster can control your life. It can break you down when it comes to the surface. If your defense strategy is weak and you let it wear you down, then it can emotionally destroy you gradually.