And you are right that it is their goal to wear good people down.
One thing that may help you if you haven't thought of this already. Sometimes I take a few days off completely from watching/reading the news. I do something else like read a couple of light books (not political), take some drives, some hikes and I amazed how refreshing it is not to think about what's going on in DC.
Often this restores my energy. All the best to you.
thank you. i do shut down news on weekends although i periodically will peek at FR