It is difficult to quit a substance that I was mentally and physically craving. It runs along trying to get out of a relationship that is not healthy. I've been in both. It's hard to leave someone that is toxic even when you know they are toxic. It's hard to stop taking toxic drugs even when you know they are toxic. Imagine being totally addicted to your bf, needing him before breakfast to start the day, at lunch for a quick picker upper, then a full out binge on him in the evening. That's addiction. Try weaning, hard to do, try tapering impossible, try cold turkey, it gets painful and you want relief. It is not so simple as just stopping. It takes a person having some consequences to realize the situation isn't improving and getting worse. I know it's difficult to understand but it is a compulsion, it is not a moral problem, it's a mental heath problem.