Well, it’s done.
It went about as well as we could have dared to hope. Very peaceful, with all three of us petting him.
Peeper is doing well. We’ve had many, many conversations about it since Friday, and many tears (from all of us), but when the time came, she was the most composed one in the room, I think (vet and tech, included).
I don’t know where kitties go when they go, but we’ve decided that we want to believe that he’s playing bop-on-the-head with MamaCat right now, and has probably already tried to hump GirlCat, and been humped by BigBrotherCat, who went long before the others.