I did something very similar, spent about a year on fedora ... 33? then discovered "my preferred distro" and never looked back.

Thing is that everyone finds their place with a distro and settles for as long as it suits their needs. Then, you might move on, you might not. Its just an OS, a means to an end. Use what you need, then use something else, no need to go to the doctor for hopping headaches :)

I hopped more for different desktop experiences than distro. now I've settled into arch for the last 12+ years

I had literally the same Linux distro-hopping track as you. I hated fedora though, and after one year installed openSUSE and Void Linux on my 2 of 3 systems respectively (3rd system ran Arch the whole way through). Now I'm happy, openSUSE is a great daily driver work laptop (I have it running on ancient shit, but it legit feels super smooth with swayWM), Void is my tinkering and personal programming laptop (broken right now, but I'll fix it soon), and arch is for heavy loads (cough, gaming, cough). Everything works and is efficient (Void has given me ACPI issues, but usually works). I think I'll probably stay like this for a while longer.

I like having my stable daily driver (currently PopOS) and a separate drive or partition for a rotating distro that may pose more of a learning curve (NixOS right now). So it doesn't really feel like hopping, more like a stable and a sandbox.

I think it's pretty normal. I personally distrohopped every month until I finally settled on Void Linux. I know a lot of people have stopped distrohopping after using Void, but it may not be your cup of tea.

It's perfectly normal, especially if you found something you couldn't do or needed better support for.