That i was but i dont remeber sex before age 6 or 7, his bible and porn was shown to me at 9m..but i dont remember anything bad happening drom 0 - 5 so why such an attachment issue? If its only within formative yrs (0 -5) then why do i have that issue?
You are being a bit too literal, about it all, and I am concerned about how much to say, but you have asked so here it goes.
Thinking of it as it is - and the narrative is a rather sad one - you were groomed for a cult - if your parents hadn't been grooming you in certain ways - between 0-5 - if your parents hadn't been grooming you in certain ways then they wouldn't have meshed with the cult. So there was the developmental stuff there - you don't go from a completely safe and stable home with loving, attuned and attentive parents to a cult - both your parents were the type of parents that took you to a cult and they both as you say it "had sex with you" - your father was gentle about having sex with you and your mother - well you hated having sex with her - so they were most likely either doing that or priming and grooming you to that from the day you were born.
Both your parents sexually abused you - so they weren't there for you when you were small - you were always used by them to meet their own narcissistic needs.
I can completely understand why you have the attachment issues and feel compelled to attach through sex - because that was what you were made to do from a very young age.
And people don't remember 0-5 maybe a few memories close to 5 but not a lot - but if you look at the context of your life and how it worked and what your parents did to you later - well it is completely understandable.
There is nothing wrong with you or the ways you adapted - it is the ways you survived. You are looking for an answer that isn't there.
All that you deal with now are the emotional/attachment problems that are the scars of what your parents did to you.
I am very sorry to think about what you lived through.
Remember too, that these theories of attachment are theories, it is not a one size fits all, and it is not a rigid thing that every child hits this developmental phase at age 3 - that is just an unhelpful and unrealistic way of thinking about it - some children might not hit a developmental phase until age 7 that some children hit at age 5. I have not gone through a lot of developmental stages despite being an adult. These theories are updated as more research is done. It is an arbitrary number given for the purposes of discussion and can't be applied in the generic way that you are applying it. If you miss out on some developmental stuff then other stuff may not come into play. I missed out on attachment very young - so I will always be playing catch up - and then the traumas are on top of that.
If you missed out on attachment then there are a whole lot of other issues that come into play.
And there is a huge amount that I don't know. I am still just learning about this stuff. There are many others on the forum that know much more than I do.