You may have heard the saying, “When you’re in love, smoke gets in your eyes.” Well when you’re talking, smoke gets in your eyes and ears. Once you’re on a roll, it’s very easy to not notice that you’ve worn out your welcome. You may not even realize that the other person is politely trying to get a word in, or subtly signaling that they need to be elsewhere (possibly, anywhere else if you have been really boring).
There are three stages of speaking to other people.
And read Inc.’s take on it: Why You Talk Too Much and How to Stop