The outcome may be different. The details, also. But the relationship dynamics are similar.
And, although you don't want to believe it, there are universal things to this monster called addiction that come into play.
As much as we all want to believe we are the exception, it simply doesn't work that way. Before you close your mind, take a read, maybe ask Callie if you remind her of herself... see what she has to say.
I don't suggest these things lightly, there is much potential usefulness in the comparison.
CLMI