Oh, Kitty. I'm sorry you feel so down. Life will get a lot better when you go home.
My broken ankle, a couple weeks before yours I think, made me very discouraged and helpless-feeling. But I am back to driving and my whole lifestyle is a lot better now as I get back into the normal routines, shopping, exercising, taking care of my husband. I think it's just a matter of time before you feel back to your normal routines too.
If the depression continues this bad, you should definitely talk to someone about it. Nobody has to go it alone. Outside of the nursing home, do you have a psychiatrist that you see? Perhaps you can phone their office and let them know what is up with you.
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A finger in every pie.