Should I be worried about my girlfriend cheating on me on msypace?

My girlfriend is either stupid or trying to make me jealous. She is flirting with this one guy on myspace calling him love and complimenting how cute he is. I guess she doesn’t realize that everyone can see her comments. I don’t want to bring it up because she’ll say i’m spying on her or i’m being jealous. What should I do?

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