What is a 'hill you are willing to die on regarding something completely insignificant?

I've had enough of those kinds of thing pushed with me to avoid making an opinion a point of contention. Small stuff stays small for me. I'll hang the toilet paper roll or deal with the toothpaste tube how ever you please. Period.

Showing up consistently in a relationship, being intentional, doing the small gestures that show love, respect for reasonable boundaries. etc .. those are the only hills worth dying for for me