The great thing about WoW is the variety of play options, so there's nearly always something enjoyable to pick up. You could farm for those rare mounts you never got, go back for a questing or archaeology achievement. There's pets to collect and battle, recipe lists to complete, achievements to finish up, proving grounds to master, and even your Tiller's farm to manage. In Warlords of Draenor, we're going to get a whole garrison to ourselves to deck out, as well. Personally, I find mountains of giant vegetables to be my zen in World of Warcraft. What about you? What relaxes you in this game?