There is absolute truths...
There are some "truths" that one might call "absolute" or "objective". But these "truth" are mostly systematic statements in logic or mathematics. There are no such objective truths in rules or morals.
... and by u not being able to discern moral objective truth in the Bible is perplexing and concerning to say the least.
Your inability to discern the subjectivity of the Bible is perplexing and concerning. Your evasions to questions and insistence on claims as evidence on the other hand is insulting!
In the last time, I have tried hard not to resort to such mirror tactics, but perhaps you will see the flaw in your position (the beam in your eye) in this way.
If you are perplexed that I don´t see your truth.... EXPLAIN IT TO ME! If you cannot explain it... FIND A WAY TO EXPLAIN IT! If you absolutely cannot find a way to explain it... ACCEPT THAT YOU MIGHT BE WRONG!
An example of an objective truth: the sum of angles in a plane triangle is always half of a full circle (180°). If you don´t see that, I can show that to you... prove it without a doubt. (Though I´d have to do some little drawing for that. Geometry is a lot less fun without graphics.)
You can chose to believe anything your heart desires but it doesn't make it true.
Sometimes it doesn´t, as in my triangle example. Sometimes it does, for example when I state "Chocolade icecream is the best!"
This is my view. But now let´s take a look at yours. If you really believe that "chosing to believe anything your heart desires doesn´t make it true"... then how do you explain your "objective truth"? Why - rational, objective reasons please! - did you chose to believe the Bible instead of the Qu'ran or "Mein Kampf"? Why do you think your choice means your made the right choice?
Objection to objective rules makes for boundless borders even to say your structured reasoning for living!
That is demonstrably incorrect. I already gave an example when I started to write a sentence in German. (Which you ignored, to my dismay.)
There are subjective rules, like "Chocolade icecream is best!" It may be for me... and you might hate it.
There are intersubjective rules, like languages or traffic rules or law systems or sports... in fact 99% of what governs human life.
And then there are objective rules, which are limited to very specific topics, like mathematics.