Is my girlfriend cheating on me or is she just done with me?

she has been acting weird for the last month and she has slowly stopped hugging me and really just being around me she normal with everyone else but she has been slowly been avoiding me and when we do hang out she only say's i love you right before i leave. If our friends are she will ditch me and hang out with them. Am i just being paranode or should i be concerned?

and no ditching me is not normal for her

Is my girlfriend cheating on me or is she just done with me?
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