I'm reading "Anna Karenina" (I shamefully confess that it's the abridged version) and last night I came across a phrase that jumped off the page at me:
"not having expressed the one thing that occupied their thoughts, whatever they said rang false."
and on the next page:
"therefore Constantine (Levin) tried to do what all his life he had tried and never known how to do: he tried to say something different from what he thought; and felt all the time that it sounded false"
That's it, isn't it? Not being able to express the truth about how you feel makes everything else sound false. That is exactly how I feel when I talk with my FOO. Who would have known that Mr. Tolstoy had observed this same problem as far back as 1877.