<human>: Can you condense the text into three sentences or less?

So, I had a close friend, and a girlfriend. My friend (LONG STORY) was a big (but not the only...it was totally my fault too) part of the reason my relationship with that girlfriend went to shit and resulted in the messiest breakup ever after almost 2 years. In the aftermath, I felt horrible and had trouble getting over it. The resentment I held towards my close friend led me to abruptly stop talking to her this past winter. She tried to contact me several times, including messages on Facebook and Windows Live, and one very dishonest phone call - she called me and asked if I might have pocket dialed her, unaware that I have a flip phone...I hung up pretty fast.

Fast forward to now. I am effectively over that ex of mine, and the resentment I felt has seriously subsided. Should I re-friend her? She was a bad friend in a lot of ways, but maybe she has matured? Is there a chance that she'll poison another relationship of mine? Is it worth the risk? I don't know what to doooo...
<bot>: A friend sucked at being a friend, came in the middle of a really good relationship and wrecked it. Much later, is it worth my while to re-friend her?