Oh nooooo
Or knowing precisely what point people are attempting to make five words into the first sentence and then politely having to sit there and wait for the next five minutes while they laboriously meander their way through it.

How about being a witness to a conversation between two others and you can tell neither of them understand the point the other is trying to make.

Bonus points for when they actually agree with each other but just haven’t put together what the other is saying.

My parents didn’t argue often, but when they did, they always had the opinion. Sometimes it would be half an hour until they decided they could agree.