This, I was pretty hardcore until the end of Wotlk. Played a little less during Cata though I enjoyed healing during 5.4. MoP was fun for the first two patches then I completely got bored and have played very very little since. WoD is looking like the first expansion I wont buy at launch and possibly wont resub for. The only thing that had kept me interested in the game since Cataclysm was transmog and mount hunting. I'm over trying to be in the cutting edge gear wise and I don't care much for PvP since it's gone down the shitter with every expansion. So at this point, it really just amounts to the game being old and me not having fun with it anymore. Even when they release new content it feels like I have already done all of this before. The only things that could peek my interest again are a new class or an expansion around Azshara or the underground Nerubian empire.