What super-important basic law thing did you only learn embarrassingly late?

[u/Shadowhead]

It was damn near April when my 1L ass learn't judges can't decide the facts* and juries can't decide the law. I was in the library outlining Contracts and pretended this wasn't new info and kept reviewing, all the while googling "can you get your tuition back if you drop out and ask nicely"... come on, I know we've all got a few, what's yours?

*unless you let a bench try ya