Seven Signs You've OD'd on The Walking Dead

The Walking Dead is one of the hottest shows on TV, drawing almost as many viewers for its season four opening as NCIS.



The show is seeping into our culture and our lives in unexpected ways -- which means that it may have turned you without your being fully aware. Here are some telltale signs:



You keep looking up recipes for tripe on-line.



The first thing you say when somebody new is introduced on any TV show is, "Stab 'em in the head!"



You make raspy zombie noises sneaking up on your spouse.



You...