Struggling with not saving myself

Hi, so I'm 21. I was very religious when I was younger and always thought I would save myself for marriage. Well then I became 15 and a crazy teenager who lost faith and I lost my virginity, and then thought well I already did it and ended up being with 2 more guys over the years. I tried to wait with them but they weren't the right guys and only wanted sex. I have thought about like revirginizing which isn't really a think but something like moving past it and then I met my bf, the one who God put in my life for a reason, he's the man I am going to marry, and he's saving himself for marriage. I finally have the support to move past my old ways but they catch up with me a lot, I'm looking for advice on how to be in a good committed relationship with God and my bf after my mistakes in the past.