Don't understand this breakup

Ok, so me and my girlfriend have been dating for 7 months and we were completely fine until a few days ago. I tried to text her but she wouldn't answer for 2 days. She text back finally and said that she doesn't need me in her life because of family issues. Later she said that she is tired of hurting me and doesn't want to hurt me anymore. I tried to explain that she never hurt me until now. I tried to tell her that this is the worst thing she has put me through. She says she can't love or trust anyone anymore. I don't know why she has done this. I didn't do anything. I really do love her and I believe that she does but she is just being hard headed. Please share your thoughts on why she broke up with me and why she is doing this.
Thanks

There were no issues regarding her spending too much time with her family? Did the two of you ever fight?

Usually the expression "I am tired of hurting you" gets used when we have to keep expressing to a person that they are doing the wrong thing by us. If you've never expressed disappointment with her behaviour or choices, then I have absolutely no idea.

The only thing I can think of was one day she was rude and I told her that. She said sorry and we were fine after that. But I've told her that the only time she ever hurt me is now.

Hello, the one that came to my mind is that she's been cheating on you. And now she is full of guilt. Other than that i don't have any explanation.

That could be true because she went out of town and I couldn't go with Her and she was mad about that

From my personal experience, it sounds like she's lost interest and is seeing someone else. I went through the same thing - was with my ex over a year and within 3 weeks he was feeling "smothered" "bored" and accused me of being "rigid" when our relationship was fine for the whole time we were together.
Sometimes they think the grass is greener on the other other side. You're going to have to accept that she's either with someone else or has been lured away from you by another factor in her life. If she really loved you, she'd want you to be by her side through her family issue - the way strong couples do.
Something is fishy here, but even if you don't get closure, it's up to you to say maybe it's not meant to be.
Good luck and I know your pain!!!

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hi there. Have you met her family? Do u have any idea about the family issues shes saying?
Anyway, i would say she found someone else, and maybe she cant tell u that straight face to face that's why shes making excuses. Or maybe, she wasnt sure of her feelings for you, maybe it was a one-sided love.

Something has happened that you are not privy to. My first inclination is that she has cheated or has been doing something she knows she should not be doing and her conscience is fired up about it. Her reasons for ending things don't sound legit to me, they sound like excuses. I would call her bluff, let her know that you don't think she is telling you the whole truth and you would appreciate if she did. Good luck