Alot of people do this. I mean seem to be drawn to or attract people that are no good for them. Perhaps it is you...let me explain that I mean you are too lenient and tolerant. You inwardly say `oh but they have this quality and that quality...' you see the good and accept the bad even if you are on the end of it.

Bully types like to find their opposites y'know. I have been the same as you. I had one friend that treated me like I was her poor crappy lil sister. She put me down in any way she could. She could never stand to say a nice thing to me. She had to have all the attention she could and would do anything to get it. She went out with a guy she admitted to me she didnt find attractive. He had loads of money and ran around after her. Was obsessed with her. Never stopped sucking up to her. She loved it. Insecurity is at the root of this types behaviour. Always wanting to be top dog and finding willing victims. In the end you must eradicate this person from your life. An email telling her some truths maybe, she will hate it. You deserve an equal friend dont you think? I do!