If you're live on YouTube, is there a way to make sure that you don't need to eat or take a bathroom break? I know it's embarrassing, but you obviously can't do either of these live (you could probably eat, though it's not really polite), but postponing either doesn't seem healthy.

Do they just make sure that they have done all they need to before they start? Or have there been live streams where they suddenly go away for a moment, because I haven't seen that many live streams?

I'm asking in case I do one.