So I took a walk.
A long, lovely walk through the woods. I discovered a few new trails, watched the geese fly overhead, and sent some deer running with their white tails flashing. It cleared my mind unbelievably well. I need to take a walk every day.
I came home, made dinner, and am now able to enjoy/use the remainder of the day. Tangentially, dinner was lentil soup with two tiny savory pastries for each of us. The filling (which was really more like a topping, since they didn't keep their shapes): goat cheese, lime juice and spinach. Way yum. I even tried making my own pastry dough, which was pretty good for being a shortcut variety (lots of folding, but minimal chilling). Eventually I'll try the full-fledged version when I get a marble board, but that's likely a ways off. Regardless, life was obviously a lot better after the walk.