I will admit, though, that I play significantly less now than I did a few years ago. Considering what we do here at WoW Insider, I'm still extremely interested in the mechanics and evolution of the game, but as I've grown older, I've realized I need to make a distinction between what I do and do not enjoy in video games and need to stop forcing myself to do those things I don't like. I enjoy having goals I can accomplish solo. I enjoy having content I can clear in small groups, like dungeons and the upcoming scenarios. I used to enjoy being a raider, but I lost interest in that during Wrath of the Lich King and don't raid anymore. I didn't enjoy needing to schedule my time around raiding every week. The recent addition of the raid finder gave me the ability to check out the new raid a few times without needing to commit myself to an endless raid schedule, which I appreciate.
I used to be one of those people who made myself miserable and forced myself to log in during stretches of little to no new content (such as the nine-month period since the last content patch), but I've stopped doing that. I still follow the news, PTRs, and beta realms, but I really don't need to log on to live realms just for the sake of adding to my /played. I can take a break and play other games, I can try other MMOs, I can do whatever I want with my free time -- and spending time doing other things adds to my enjoyment of WoW, preventing severe burnout when there isn't a whole lot to do. I still play WoW because I let it happen naturally; I don't force myself to do it. When there is something new and I can accomplish some new goal again, I can go back to WoW full-time without any fuss.
Why do you still play WoW?