I had to go to the ER for something, and it was so busy that day that I was put in a room with two other patients. We all had to wait over 6 hours together before finally getting checked out. I was between the two of them and they were talking over me until one of them was moved out.
I had been zoning out due to being in a lot of pain and not wanting to get dragged into their conversation, but now that it was only me the remaining patient kept trying to engage me. Whenever they would ask me a question I'd respond, then 4-5 seconds later realize I should ask them the same question back to be polite. By then too much time would have gone by so I'd have to choose between awkwardly asking the delayed question, or simply letting it slide by unasked.
After a while they gave up and started reading. Noticing I had nothing to read and no phone with me (I don't have a cell phone because I have no one to call, lol) they kept offering me magazines, or to use their phone. They were very polite and nice, especially considering they were there with their own problems, but I just wanted to be left alone to zone out. It reminded me of the Seinfeld plane episode where Elaine was getting fed up with Puddy staring straight ahead rather than reading a book.
For a while there was no noise except for the other patient occasionally hiccuping, but eventually they started crying (they were in a lot of pain too). After a few minutes I thought I should say something. The best I could come up with was to say "Hey, your hiccups have stopped"

To which they responded "Yeah, because I'm crying!"
After that we just sat there in silence.
I used to be able to fake it a lot better than that but I've gotten horribly out of practice.