Many enlightened people have fallen victim to various kinds of drug addiction. Drugs can give a glimpse of a state that can only be made permanent by other means. But drugs can also render, temporarily, a situation as 'normal' when for various reasons- pressure, illness, pain it isn't. Every drug, of course, causes the brain to make adjustments, normalising its use and exacting a precise cost for doing so. The question to ask is: does any actor act better on stage whilst drunk or on drugs- of course not. One reason why actors are particularly prone to both when they are supposed to be resting is because they they are not 'acting' as actors, they really think they ARE actors. For some reason I am reminded of something written by Idries Shah: "Just because you know you're a moving target doesn't mean you stop being one."