Sometimes when cats are injured or dying, they hide themselves or vanish and are never seen again. It’s easy to be upset, questioning why our dear feline friends wouldn’t want to spend their last moments with us. The truth is, however, cats hide for evolutionary reasons, in order to protect themselves from the dangers of predators who could attack in such a vulnerable moment. When cats begin hiding themselves for extended periods, it is a telltale sign they are feeling ill, and trying not to appear weak and consequently endanger themselves.