Someone asked me what I do for fun and I sat there with nothing to say. I couldn't name a single thing I actually enjoy anymore. The scary part is my answer to that emptiness has just been more work, because at least work I know how to do.
More people experience this than they realize.
Burnout has gone so far you can't name anything you enjoy, and you fill the gap with more work.
If this sounds familiar, the Library can help you find the bigger picture.