What I've seen by giving psychic readings to couples is that the model in psychology of analyzing and fixing works to a point, but what's better is to have a totally different approach to relationship.
The approach is to think of relationship as something that you are building, something you are creating. Then bring every good thing to it that you can think of: humor, joy, love, creativity, play, trust, respect, honor, dignity . . . and keep brining it.
This way you are in charge. You get to do something about your relationship.
In light of this approach and these efforts, challenges work themselves out organically and non-confrontationally.