Codependents, need enablers to function, then the enablers get looked down upon, & even sued, like feeders for the obese.
I don't like being either

I believe we all have at least a couple of 'symptoms'. In my case, I've found myself in this situation, but wasn't afraid to leave. Perhaps I'm prone to getting myself in this situation, but on the other hand, I'm never afraid to leave.

Sometimes people are in a marriage where the spouse is ill and co-dependency exists because one remains loyal because of many good past years.