Get professional help before it rubs off on your children. I grew up with anger/sensitivity/delayed development issues due to the non-stop theatrics of a depressed parent.
From experience, I’d describe it as an “emotional whirlwind”. The person suffering has a lasting, chaotic impact on the household. Similar to a whirlwind the very winds that start it can’t really be seen or predicted with ease.
I don't know man, maybe it is? Not the performance aspect, for sure. But isn't the purpose of drama heightened emotions?