And then, there's a bearded fetus.

She might, for instance, drop a reference to her "girlfriend" into the conversation and then continue casually onward without commenting, explaining or batting an eyelash. You, certain that if she had really meant to inform you that she was regularly sinning against God and man with another woman she would have said something a little more dramatic, may then assume she meant this in the sense of "female chum." She now thinks she's out to you, whereas you still think it's a shame she has to keep bringing her roommate to company functions.

Ha! This is actually useful to me. My wife has, over the years, had trouble with coworkers who appear not to understand no matter how many times she mentioned her partner and children and Pride. A little peek into their minds...