You forgot about the part of option 2 where you realize midway through explaining that the other person either understood and you misread the situation, or they just don't care, but now you've gotten too far into the explanation and you just have to power through even though literally every fiber of your being is telling you to shut up
Also the need to include irrelevant context and to overly correct yourself on irrelevant details.
"So I learned this from a coworker who drove a blue car, or was it red? Either way it was definitely a 1993 Honda Civic. Or '94. Definitely from the early 90s. I could tell when they got to work because the brakes sounded like a duck that got hit by a rock, not that I've ever thrown a rock at a duck! I did chase a goose away from my dog with a stick once. That dog was fearless in every situation except against birds. I never found out what breed he was but probably a shepherd mix. I remember the day my parents brought him home..."
In my experience, they usually lose interest partway through the clarification and then later ask three questions that were covered while they weren't paying attention.