You definitely need to study human psychology before you just say oh just don't do it. it's so much more than that. it doesn't work for everybody and it does work for some that's how life is. but making a general statement saying that this will work for everybody it won't.

And also it sounds like you're putting eating disorders and nicotine addiction in a lower class than heroin and meth but addictions are addictions you can be addicted to porn you can be addicted to so many different things and it all has the same effect on your brain chemistry. Some may be harder to kick for certain individuals and some may be easy to kick for certain individuals.