I'm sure we all know people like this. Those who can't handle stress or tiredness or a bad day and rather than deal with it normally like a proper grown up have childlike strops, huffing, puffing and snapping the heads off people around them. My mum is like this and I've had a lifetime (and a belly full) of trying to navigate her moods, to the point that I now refuse to tolerate them by either calling her out on it and deliberately being really cheerful and upbeat.
Occasionally when I've done this I've had an apology for it, but most of the time I'm made to feel like I'm out of order for not understanding that is in a bad mood and that her moods are more important than anything else, and that we should all be in a mood if she is in one. Part of me understands why is like this as her own mum was a very difficult woman, but that's not my fault is it?
What the hell is wrong with these people? Why can't they be grown ups instead of acting like sulky toddlers.