Yep, a few!
One was my former best friend. When my ex boyfriend and I broke up, I had the impression she was interested in him. I wasn't especially comfortable with this a week after the break up, but I was prepared to work through it. I asked her if she was interested in him and she denied it. Within a few days, at a party, she attempted to get intimate with him, to which he responded by bringing up his concern for my feelings in the matter. She was heard (by a number of people) to reply "Who cares about her? We can do whatever we want!". I even gave her the opportunity to come clean about that, but she continued to deny everything, at which point I ex-communicated her. To me, friendship is predicated on trust, and I can't meaningfully engage with someone who repeatedly lies to me.
Edit: How did it work out? Well, she tried to reach out to me a number of times afterwards, but consistently avoided any discussion of the reasons for why I stopped talking to her in the first place. Eventually, I told her that I wouldn't respond to any further messages from her, and that's been the last of it. I don't miss her.
R and I met when we were 3 and bumped into each other at a tree outside my church. We became friends almost instantly. From that day on, we always sat together in Sunday school and whenever she stayed for church. She always invited me to her birthday parties and I was there for her when she sat on that blue cupcake that was in one of the chairs for some reason...The stain is still there too. It was an "odd" friendship for about 8 years, because we rarely saw each other more than once a week.
One day, she called me and asked to come over and see me for a bit. I complied and she came and talked with me for a bit and then wanted to leave. This continued until finally, she started staying longer, and by that summer, she spent the day with me Monday-Friday from 7-4, while her mom was at work. I was elated because I finally had someone to sing with me and such. We sang ALL the time, to the point where Enoch and Gershom would come tell us to "shut the fuck up". The first rifts started when she always shot down my singing, telling me that it was awful and that she was a better singer because she was in chorus and I wasn't. She went on endlessly about how awesome her friend A could sing so amazingly though.
The next summer, I saw a bunch of fashion magazines/catalogues a friend had given me years ago, and decided to cut out the people and make them into dolls (since I didn't have any) and invited her to join me, which she did.
She would play along as long as she got to have all the prettiest, talented,smartest, best characters. At this point, she even had an imaginary friend that was essentially supposed to be the "perfect" girl. And she ALWAYS compared her to me, highlighting my shortcomings and devaluing my worth. And I believed her for a while.
Her dad died the next summer and I was there to be her rock, but when she was stable again I was done, done, and done with her.
In short our friendship:
-Was very superficial
-damaged, nearly shattered my sense of self worth and self esteem
Wow, I am amazed at how similar your stories are to mine [MENTION=5027]Whiskers[/MENTION] and [MENTION=2873]Serenity[/MENTION]. :O
[MENTION=5027]Whiskers[/MENTION]
Thanks for sharing, especially how you handled her recontacting you, that's very helpful. I am a bit afraid of my friend doing this because she has done it in the past. It's crazy, my friend has done something similar to what your friend did (except with my new boyfriend at the time, who refused her). I forgave her for that, even though she did it again later with another guy that I liked (but nothing happened with), and also spread rumors that I made it up (no one believed her though, because they saw it with their own eyes). I feel so naive... because I think I should have stopped our friendship a long time ago. :c I have no one to blame but myself...
[MENTION=2873]Serenity[/MENTION]
Wow, that does sound like a damaging relationship.

I am amazed at how patient you were about it, and I'm glad you were strong and smart to get out. I felt the same way about me and my friend's friendship. Things started really well at first, but then as I got to know her true personality I felt drained around her. Also, what is crazy similar is that my friend's father also died (several years back) and I was there for her during that time and after. I guess that's why I could never really let her go, even after she became stable. She constantly used it as an excuse for everything that hurt me (including trying to steal my boyfriend) and other people. I just tried to understand. I guess I just couldn't stop the relationship because she would bring it up at any time to defend herself for doing something even completely unrelated, and I would feel bad for her and give her the benefit of the doubt, even though it happened more than 6 years ago. I just can't stand the emotional draining anymore though. I am going to be strong enough to get myself out of this, thanks for the inspiration.
I never cut people out of my life. There is no advantage to it. Just stay cool with them.
"Sometimes opportunity knocks from a door you left slightly open"
Hey chulo, I commend you for that statement, I do think that is a great thing to do. I know what you mean, I usually try to live by this rule to be understanding and never really shut the door on anyone. But, it's hard because the thing is sometimes there are people who refuse to be let go, even if it's just by distance. There were several times I tried to not shut that door, but just distance myself, but my friend would demand an explanation why. I tried to set her to acquaintance level once, but she picked up on it and wanted to be super close, not just acquaintances (part of which may be because she is an extrovert, and I am introvert who can go long periods without going out). Unfortunately there's no middle ground for this... That is why I am making the decision I am making.
I just did so last week with a friend who I've been close to for several years. I mulled it over for about three years before I was able to do it.
I wish nothing but the best for her, it was just time for me to move on, I'm hugely relieved it's over, but I felt like a giant dick when I did it.
Congrats, that was a tough decision I'm sure. I bet it feels like a huge weight off your shoulders, huh? :3 That's how I feel too. Strangely, I dont' feel bad this time; I guess that was what I was afraid of. Now that this friendship is not only hurting me, but also other people I care about (family/friends) I don't feel guilty anymore towards leaving her.
What I do feel guilty about is being so passive during my youth though, I really do blame myself for not being strong enough to do it earlier.