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Yes I mean that kind of personal experience. That you have at least observed it. It seems to me, with my experiences which is also primarily observation of others, and especially for example with opiates, one needs to get way from the drug, even for just withdrawal/detox, before the brain can come into the type of order where rational discussion and thinking is helpful.

So the first difficulty is getting to detox etc. For my friend, and I am sure for many others, this is sort of useless and worthless unless there is a treatment/getaway on the other side of detox so that the person can put a barrier in between themselves and the cycle.

From there, having the short-term critical separation taken care of, logic can come into play and a new set of core beliefs and resolution of past experiences can happen and take place, but only over time.

Then long lasting change I think is a combination of positive mental and real world barriers as will as success that make way for new freedoms.

Cheers.