That last bit about GRUB is why I never put Windows on the same drive as my Arch, btw install. If they both have their own EFI partitions, Windows doesn't mess with Linux.
Several years ago I had no idea I had developed a cat allergy. The way I found out? Stopped by the apartment before a first date for a woman who had over a dozen cats. Didn't stay there long before realizing my eyes were swelling shut lol. Let's just say I took that as a sign to:
Looks like you already know the joke since you basically explained it. You just don't have much sense of humor to go with it.