I kinda feel like that myself for this upcoming week. I usually just tell my T that I'm feeling that way. We talk about why I'm feeling like I don't want to work on anything, and usually I find that I need reassurance from my T. Once my T reassures me and we talk about my feelings a little bit, I find that I'm willing to do some work. Sometimes, I still can't do any of the difficult work, and that's fine, we talk about something else, and just maintain a connection, and agree to pick these things up the next session.