Take your pick. I cover the same ground in both the video and the text on this page.
Some people prefer video. Others prefer reading.
OK then. Let’s start with a real-life conversation.
There are a couple of reasons why we pause when talking.
One reason is to place emphasis on what we just said.
The second reason, and the most common one, is that we pause as a signal that it’s the other person’s turn to start talking.