I understand.
I was in the same situation.
As a wiser and older self, it's natural to look back and know that you could have behaved differently to protect yourself, but you were not who you are now. You were a victim. Treat yourself kindly. Forgive yourself for not having the kind of awareness you have now.

Your raw pain is still there. I read it in your words. It's difficult to read. I am giving your 16 years old self a hug.