Your girlfriends are supposed to be with you for life, keep your secrets, stick up for you, and hold your hair when you throw up after a bit too much to drink. Those trustworthy girlfriends are true gems, but unfortunately the sad fact of friendship means dealing with a few girls you would rather kick to the curb then spend hours chatting with. We spoke to real women who had girlfriends who turned out to be a bit more Mean Girls than Sex And The City.

Sometimes girls are loners for a reason.

“I knew this girl for four years. We had been friends and then kind of lost touch. I ran into her at a Fourth of July party and she gave me some sob story about how she was down on her luck, hadn’t been socializing much, and had to move into a teeny apartment because things were going so badly for her. I felt bad for her so I invited her to my family’s Palm Springs home for the weekend. I woke up in the morning and my designer handbag, diamond ring from my grandmother, and watch were all gone! I could not track her down, have not seen her, and no one I know knows what happened to her. If you see her, let me know!” Ava, 30, from Los Angeles tells us.

Read Why Do Good Girls Fall for Bad Boys?

Think before you have a threesome, ladies!

“I was with my boyfriend for two years and thought that he was such a great loyal guy so I decided to give him a birthday gift: a threesome with me and a girlfriend who I thought I could trust,” Sharon, 29, from New York shares. “I knew her for three years and we talked and talked about how it would be perfect because she would never tell anyone or do anything I was uncomfortable with. It was actually an amazing experience but shortly after, my boyfriend and her developed a relationship on the side. He and I broke up, and to my shock, he married her shortly after! They are still together, so maybe they were meant to be. Either way, I don’t speak to either of them!”