Girlfriend says hurtful things when we fight?

Anonymous
We have been together for 2 years now and we are in uni. She is the first person I've ever really trusted, so I tell her things I've never told anyone before. When we fight she says things that she knows will hurt me. I'm fine with her calling me an asshole/pussy/etc. or saying I have a small dick, because I know that it's not true. But she says things that I have told her (in confidence, that) I am insecure about, and it's not fair for her to try to use it against me in a fight.
There are some things you can say and some you can't. I mean, I would never use things she tells me against her.

I don't really know what to do. I have told her that I don't like it and she said she wouldn't do it, but last night she did it again.
Girlfriend says hurtful things when we fight?
10 Opinion