She is rather. She's OCD.
If you make the tiniest noise when you eat, she screams at you. If you leave a door open, she screams at you. Other things I can't remember.
My sister's friend has the strangest OCD. You hit her on one side of her body, then you have to hit her equally as hard on the other side of her body, or else she'll feel weird. What I like to do is, lightly hit her on the arm, then leave her