There are myriads of ways to make your pain known without being rude, dismissive or just plain stupid. Assuming, of course, that listening to the boring story r

There are myriads of ways to make your pain known without being rude, dismissive or just plain stupid. Assuming, of course, that listening to the boring story really is painful - it can be viewed as a challenge for you to guide the person telling this story to do this in a way that will be enjoyable. Lastly - if you can't do this, you can just leave - I think it would still be much better that uttering "tl;dr".