Once they open their mouths, some folks don’t know how to shut them. They seem unable to differentiate monologue from dialogue, dissertation from conversation, minutiae from significant details.
When you’re in such a “conversation,” you may initially think of yourself as a good listener. However, it’s not long before you realize that you’ve become the captive audience for one who will drone on and on for as long as you allow it to happen.
Giving indirect hints that “enough is enough” usually doesn’t work. Hence, in such situations, you not only have a right to interrupt, you also have an obligation to do so to maintain your sanity.
So how do you do it without coming across as rude?