User blog comment:Aramirtheranger/Guide to the Dark Side of the Force/@comment-26453572-20151102220235/@comment-26453572-20151103011950

The word is moderation, which Sith refer to as failure. Sidious asked Plagueis if he would ever look like that, and he explained that the dark side did that to you, and that it was a sickness a true Sith wouldn't want cured.