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Encouraging words of advice or suggestions can indeed be useful for those who need them, but will they work?
If they personally feel in need of encouragement, well of course it will help them, specifically in that context. So it would work. What comes after is a different case.
But doesn't everyone have an impatient attitude, they even give up easily and this is natural attitude that everyone has without exception.
As I said, it is just a different case. Speaking about the whole picture, addiction is complex, surely a single method to help an addicted person won't work. Every addiction must be handled with a different case and scenario. Even if some single method to overcome addiction works, with some particular people it will be different.
So, with what you say, I agree and indeed every case that occurs should be handled with several different methods because that way it will be easier to see the progress of changes in person to recover in the most effective way.
Moreover, what you said previously was only about different cases, not about how to handle it as whole.
What I meant, is if at some point in time, they need a word of encouragement it is a good thing, but that should not be the sole reason that will magically solve the problem.
I know that and indeed giving certain words will provide encouragement and motivation so that they can continue to make various efforts in the healing process or solving problems that are currently occurring.
But just relying on words like that will not be affective because everything can go according to plan in success in recovering or solving problems if there is evidence or guidance in the process.
Most people don't really care about words and they can only accept and apply them if direct steps are taken.