Be creative. just finish the phrase of "You know you play too Much WoW when... " and lets get a list going. I'll start.
-You see a bear or panther and wonder if its a Druid in Disguise.
-You're driving on the Interstate and notice the scenery looks a lot like Nagrand.
-You think of your job or daily errands as quests.
-Hating Monday is replaced with hating Tuesday.
-You call water "Mana".
-You pull of an excellent parallel park and note you got +1 to your parking skill.
-You actually say "lol" and "sigh" out loud.
-The First thing you do when you get to your keyboard is put your hand across the A S W D keys.
keep it going.