I too have been beat to not show anger because it's not allowed and I had no rights. I do get upset, frustrated, and feel like at a lost because a situation is beyond my ability to cope with it.
We have the Angry One. He's triggered when some form of perceived injustice is perpetrated, especially towards us. It feels like a small ball of negative energy starts building in my chest, building and rising as time passes, especially when what's happening to cause this doesn't stop, trying to keep him surpressed...then it's like I get pushed out of the way and now I'm watching the Angry One raging, screaming, loathing, foaming, I mean total ugliness pushing his reasons of why he's angry while I'm watching in total horror from a distance and not able to take back control.
After he says his piece and runs out of angry energy, he goes back in leaving us to clean up the horrific embarrassing mess...without anyone believing in our apologies.
I'm on all kinds of stabilizers and antidepressants...this isn't really a disorder but more an emotional part thing.
I try to stay in a good mood, taking nothing too seriously, very accepting that nothing's perfect, throwing away expectations...being always aware of his presence,....and not drinking is also a plus.