My girlfriend said this!!!!!!!!!!!!!!?

she and i love one another so much but latly said i remind her of her x. she said she never want to see her x agian. idk what i did but she will not tell me. i was just had my arm around her and she was abut to cry. i do not know any one i mad cry befor i usly get duped/left. what should ido. i do want to leave her. i love her so much.it hrunt me know i remind her of her x.