There's also no use in trying to convince them they are in MLC. It makes things worse because then they feel you are putting all the blame on them, when clearly (in their minds) we are the problem. I found this out in the early days of our sitch, when I showed my wife an article that listed typical MLC behavior, where she scored like 7 out of 10. She laughed and told me I was the one in MLC, and then brought it up for days afterwards.
M: A really long time. Crisis: 5 years. She's still worth it.
Life is never made unbearable by circumstances, but only by lack of meaning and purpose. -Viktor Frankl