So let me give an example. Person A wants to eat Indian takeaway, person B wants to eat Chinese takeaway. Person A says "I don't like Chinese" (they like Chinese fine but their favourite is Indian). Person B likes Indian fine but prefers Chinese. Person B is laid back so says "OK, I like Indian too, we'll have Indian". Then every time Persons A and B get a takeaway, they get Indian because B "likes Indian".
Now imagine this in every aspect of your life. Essentially, Person A is rigid about what they want to do and Person B is more willing/able to compromise. So often there will be a compromise, but that compromise is not really a compromise, it is one person giving way to the stronger will. This happens to me all the time. I will say "what shall we eat?" He'll suggest something - say macaroni cheese. I'll say can't we have something else. He'll say "but you like macaroni cheese". I don't, really, but I don't hate it, so I'll eat it. He never extends the same courtesy to me - eating something he doesn't love but doesn't mind, because if I eat something that means I "like it".
Then apply this to: how you raise your children, where you go on holiday, what leisure activities you participate in, when and how often you see your family, how you celebrate Christmas, what money is spent on. To move the other person on anything involves argument, distress, being told that you are wrong (because there is only ever one right way to do things), sulking and massive upheaval. Because this person has never learnt to compromise. So, it's very easy for things to look like compromises when they are not. Is it abusive? No, I don't think it is. Is it miserable? Yes it is.
I'm sure lots of people are going to think I'm a pathetic wimp. But I am willing to compromise and the dynamic has resulted in a less than ideal situation that I don't - at the moment - know how to improve. If that makes me pathetic, and/or a wimp, then that is what I am.