I know advice wasn't asked for, and I'm no mental health professional. But having suffered from depression for many, many years and bouts of anxiety from time to time, I'm going to tell you some of the things I've learned.
Many years ago when my husband and I were having severe problems, I couldn't eat, could hardly function, and was consumed with the whole situation. My shrink said, "OK. Here's the deal. I want you to envision a huge ball just outside your door.