I would not meet with a CO for any reason whatever; I won't meet with elders either. I am surprised you went through with this.
There is no circumstance under which you can have a conversation, a real back and forth, as if he gives a shit what you think; it is all 'guided' discussion, leading to the question "Do you believe this is Jehovah's organization?"
At which point, you can lie, which I recommend wholeheartedly, or tell the truth, after which your family will say goodbye to you forever when they df your ass for apostasy.
This religion cult is heading over the cliff.