I had a few moments of anxiety today (including fear about my marriage's future), but intelligent and helpful IC's words came back to me.
When I would feel anxious, I would repeat this to myself: I cannot control what he does. His feelings are not my fault or my problem. If I don't take care of me, then no one will. He is not emotionally well, but that is not my fault. I can only control myself and how I react to things.
I don't want to sound surprised, but it actually made me feel better each time I said those things to myself! It was immediately relieving.
I usually have a positive attitude and try to have good days at work, but today was particularly good. My assistant and I laughed a lot and had a great time working.