Relationships

I am a virgin but my girl is not?

So I am saving myself for one girl only, my future wife, because I want to give that to her and I am on the conservative side due to choice and religious reasons. I met this girl who I find beautiful and we dated for a month. The first few days I asked her if she is a virgin and she said she is, and I told her that I am too. She continue to tell me she is a virgin until the end of the month when I made her to tell me the truth, and she told me she had sex with her ex boyfriend, etc. What hurts me the most is she lied to me for a month and told me that she lied because she thinks I will leave her if I knew. We live in a conservative country and she told me she knows that most guys will not accept this of her and she is expects that only guys who have plenty of experiences or guys who are only in it for the sex will like her and this makes her depressed because most decent guys will want decent girls, if not all, and she told me she knows that. But I stayed with her and trying to accept her but... the thought sometimes pops up in my mind and it is making me so weak and sad and my trust decreased after the lying. If I based it all on my character... I would never be with someone like her if only I knew about it at the start... but I am with her now... so what should I do? I don't want to leave her because I see she is a good person who only had bad mistakes and I love her... I see it in her just... this "issue" of her is ALWAYS getting under my skin and I feel it is not me... the "real" me... if I accept a person like her. :( I don't know. I need opinion guys. Serious help. It is just against my beliefs to even be with someone like her, I even feel reckless lately... like I lost respect for myself. It feels like you lose self-respect when you love someone who you don't truly respect as a person. I am a gentleman for her everytime, always on time and caring for her and this is why she loves me so much..
I am a virgin but my girl is not?
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