It would be interesting to hear her take on this situation. It could just be that perhaps she finds you a bit intimidating as well!

She is obviously OCD, but that's gotta be better than living with someone who doesn't wash. And its better to live with someone trying to be quiet than playing loud music all night.

We all have issues. We're all a bit cranky. Perhaps trying to build an atmosphere of positivity instead of suspicion would be mutually beneficial. Cut her some slack. Compared with some of the head cases I knew at uni, she seems quite harmless!