I sort of miss that "Oh, boy! Tomorrow is Friday!" euphoria.
Now, I am happy if I can remember that it IS Friday.
That's not to say I am not compos mentis. I simply do not measure my days into a work week and then a weekend.
I have no work goals to accomplish before the end of a work day or work week.
Sigh. Who knew retirement would be, in some ways, discombubulating?