I found a link to a game called Facade. It looks really interesting: you play the role of the friend of a couple with big, big problems. It’s up to you to help them sort out their issues, by talking with them (by typing your comments, not picking one out of a multiple set of answers). Or not.
I have been playing this a few times, and while it’s not as clever as the authors would like you to think (the text parsing routines remind me of stuff I did for fun ten years ago), the writing is quite good.
However, I have never managed to make it finish well. I got kicked out twice (my attempt to comfort Grace was misunderstood), and I got Trip to declare himself out of love and get the hell out of there. Can the Teeming Millions achieve the better ending?