Gap in the Tape
You may have encountered people who have a gap in their tape. They sound perfectly reasonable and normal and then - gap! - there is a sentence or observation that seems irrational or bizarre.
These may be highly accomplished and, at least most of the time, very nice people and yet the gap reveals another, less logical or attractive, component.
Now here are more difficult questions for each of us: Is there a gap in our tape? Is there some area that could become a gap?