It's sometimes hard to know where the line is for weird (and guess it's not so much a line as a continuum), but I went through a spell of writing on the bottoms of my feet in marker.
I can remember some of what I wrote, but can't remember the reasoning. Whatever it was, given my state of mind at the time ... Oh! I just remembered the reasoning! Yes, it was
MUCH better than what I felt driven to do.