Humans generally get out the gist of what they need to say right at the beginning, then spend forever qualifying, contradicting, burnishing or taking important things back. Yor rareley miss anything by cutting most people off after two sentences.
In "The Lay of the Land," Richard Ford suggests that people often convey their main point immediately in conversation but then tend to elaborate excessively. This tendency leads them to add qualifiers or even contradict themselves, making the original message less clear. Ford argues that the essence of communication is often lost in these prolonged discussions.
The author implies that by interrupting after a couple of sentences, one can grasp the core idea without the confusion that follows. This perspective highlights the importance of clarity and brevity in communication, indicating that most conversations can be streamlined for better understanding.