Mimielam, I know how you feel. You aren't triggering me.
I tried the acting out feelings therapy but it only went so far.
What I do when things get bad is just jump in the shower and get ready for bed and go to sleep early if possible. If I can't sleep on goes the soft comforting instrumental music.
Maybe I do mindfulness with counting of the breaths from 1 inhale 2 exhale up to 10 and then go back to 1 when I get to 10 or lose the count.
I do yoga (youtube adrienne complete beginners yoga) just to relax the body.
I do exercises in the morning before work. I don't talk about my struggle at work. I just do my job. I am a caregiver on weekends for my parents but I just try not to make waves.
I think you are smart because you can separate the anger from the realities of keeping your job, dealing with mom, keeping yourself on track.
Just keep on going and get enough sleep. Maybe if you are on meds you need to talk to your pdoc or if you are not on meds, maybe it's time to see if that would help.
I feel your pain from 1000's of miles away, so feel free to PM me or any of the Community liasons and let one of us know what we could listen to and help direct you to resources