How to get over girlfriends huge past?

I am not judging her or saying bad things to her. She had a wild past and I do respect her body her choice kinda stuff. But still I can’t get over the fact in my mind and felling like a loser. Perhaps people will say she has chosen you apart from them but she had also chosen all of those men before and probably said the same to them as me.
Some actual good suggestions rather than” get over it “, or” it’s not my business” can be helpful...
How to get over girlfriends huge past?
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