~ you never miss an episode, even if your friends want you to hang out with them;
~ you tape every episode;
~ you re-watch the video tapes every day that the show isn't on;
~ you can name every episode in each season and describe what happened in them;
~ you remember insignificant details from every show like the licence plate of Mark's car or Jesse's blood type;
~ you think the characters are real people;
~ you write fan letters to the cast;
~ you write fan letters to the characters;
~ you envision yourself marrying Barry or Charlie someday;
~ you saving up so you can visit LA and try and blag your way onto the set;
~ you want to be an actor so you can be an extra on the show;
~ you eat the same food that you see Mark cooking in the kitchen;
~ you want to be a doctor / homicide detective because you think Mark, Amanda and Jesse / Steve are so cool;
~ you memorise the medical terminology used in the show;
~ you never make a decision until you think, "What would Mark / Amanda / Jesse / Steve do in this situation;
~ you like to find crimes to solve in your spare time.