what's the weirdest\oddest thing you have ever hyperfixated on?

[Griffith white-hawk]

title, no matter what sort of media\fandom\community\topic it is, share your experience with us
I will go first, I hyperfixated on medicine\anatomy at 12 yo that I used to watch actual operations and noted every detail in a notebook, also I hyperfixated on SCP and Happy tree friends that I know every. single. detail. of them both.

 

[witedudzz]

title, no matter what sort of media\fandom\community\topic it is, share your experience with us
I will go first, I hyperfixated on medicine\anatomy at 12 yo that I used to watch actual operations and noted every detail in a notebook, also I hyperfixated on SCP and Happy tree friends that I know every. single. detail. of them both.

engines

 

[Griffith white-hawk]

engines

yo that's dope, did it ever make you want to study engineering?