What is a hobby you enjoy, but seems too quirky or obscure to bring up in most conversations?

https://lemmy.sdf.org/post/2541316

What is a hobby you enjoy, but seems too quirky or obscure to bring up in most conversations? - SDF Chatter

Mine would be creating pen and paper ciphers for my made up secret communication needs.

Starting and abandoning hobbies.
OK but you didn’t have to call me out like that in front of everyone.