Some people work and work even if nobody else can understand why. Interviewed not long before he passed away in 2021 at the age of 91, Stephen Sondheim talked about productivity:

George Bernard Shaw kept writing plays until he was ninety-four. Of course, the last fifteen years they were terrible plays, but he did write them…

One could always just watch TV, of course. But in the end even writing a terrible play (or novel or poem or agitated essay about the state of modern literature) will make you feel better than most other things.