Apoorv beta, you might wanna consider what love means to you. Sorry to be the one to break this to you but a woman's attitude is in no way connected to the tissue between her legs.
So, you can't find out, neither can someone else unless the girl herself disclose her sexual history to you.Clear your doubts and read more here: https://lovematters.in/hi/resource/faqs-hymen-and-virginity
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Apoorv beta, you might wanna