I can speek from exp on this one. I have taken several weeks off WoW and am just now getting back into it. The brake was much needed and well worth it. I feel re charged and ready to play again. This last Sunday I played for hours (the longest streak in months) and blasted through 2/3 of lvl 68. 

The point is that this game can be too much sometimes. Most people that have taken WoW brakes will agree that they feel much better about waisting countless hours in front of the computer, after the brake! I have never lost the crave to play, I just found out that I could get by with out it(for a short time at least)


Z