Looking for a story as well. I can't remember the name or the date, but I can explain what I remember of the plot. I'm not even sure it was posted here to be honest. Anyway, if someone had a link or even just a title, it would be cool.

It was about a teenager boy, young adult maybe, he was in a restaurant or fast-food with his parents but while they were here he somehow got in contact with a waitress through a mobile app. I think the main purpose of the app was to find suicide helpers of something like that. Anyway the protag leaves his parents after announcing them what's gonna happen, the mother was angry and wouldn't let him go until the father said that it was his choice, etc.