They don't believe in absolutes. They love being the arbiter of “absolute relativeness,” because it can always make you “wrong.”
I have dated such a lady, and she was crazy.
Of course, your Mrs. Dilbert was not the lady I dated.
Yep, I hear you.
My wife was a wonderful woman in many ways. But she had her moments, and we got into it sometimes. And there were times when I felt judged by absurd criteria of her criticizing my behavior and actions.
I know it’s a cliche about men from Mars, women from Venus, but I believe there’s something to that.