Read books and magazines.
Draw, sing, dance and otherwise develop your talents.
Really LISTEN to some music instead of using it as background noise.
Fix up your home, like organize your closet, get your financial records into order, sew and mend.
Do volunteer work that isn't on a schedule like taking a long walk and picking up trash in your area, like making occasional phone calls to someone who can't get out much like a nursing home resident.
Start growing a few herbs and vegetables in pots.
Work a jig saw puzzle.
Work on your grooming like hands, feet, and nails, like giving yourself facials and skin treatments.