@Jeremiah,
I can't stand women like this or men like this for that matter either! Talk about her starting an argument over something that really is not worth arguing over. She is being petty and immature.
You could argue just as much that she should be grateful you raise the seat to make sure you do not pee on it.
If she finds it up she should just lower it, good gosh how hard is that! If you find it down then you should just raise it to pee.
Both men and women should leave it how they find it. If you find it down you should lower it if she finds it up she should put it back up. However, like I said for her to start an argument over it is petty and immature.