I don’t really understand the “performance” anxiety when it comes to using public restrooms. If I need to go I don’t really care who knows I’m going or if there is a line. It just does not bother me at all.
I don’t know that I understand the question. I don’t use entertainment as comfort when I’m distressed. That just seems to me to be a avoidance technique, rather than dealing with the problem. Read more
I’ve never had an issue just saying “you have something in your teeth” or “your fly’s unzipped” or “you have some gunk on your face”, most of the time accompanied by a small gesture mimicking what to do. Straight-forward, nonchalant, not awkwardly beating around the bush.