Offtopic doesn't matter. I think we have two more Unity threads left...

I'm quite comfortable with the vec commands. Really.
I hate the notation for maths we had in school. It always confused me when looking at it.

Also matrices seem to be a thing which just does not fit into my head. After some time I always have to start from 0 and learn everything again because I just can't get used to it.
That's really disappointing when seeing other people handling this stuff as if it was super easy. And I end up doing trial and error until it works