What are the odds? I'm currently dealing with some relationship issues, part of that is codependency, and this is one of the books that's doing the rounds in those spaces. I've been reading Codependent No More myself, which is an older book, kinda preachy, kinda Alcoholics Anonymous, lots of religious undertones etc etc, BUT it also lists a lot of symptoms and behaviours that I've recognized in my personal life / relationship; self-sacrifice, "rescuing" behaviour, obsessing over the other, controlling behaviour, emotional self-deprivation (err, ignoring one's own feelings), anxiety, low self-worth / confidence, guilt, shame, etc.

I can't recommend the book per se, it's a bit dated, but it lays a lot of groundwork and identifies a lot of traits so it has its place.