Good question, because I don’t think I was very clear on my point there. For this, I liken our, Humanity’s, relationship with God to that of a child to his parent or perhaps a student to a teacher, except the main difference being that we are able to observe the child or the student, humanity, but are unable to directly observe the parent or the teacher, God. Now, to further this analogy, let us say you are able to observe this child or student long term and see the faults and growths that they make. As such, I believe that one can make some judgments about the nature of the tutelage that they are receiving based upon how their behavior changes over time, and thus, about the nature of the parent or teacher himself.
Now, of course, this sort of observeration isn’t an exact science, because a lesson may be heavily emphasized but also heavily resisted or, similarly, lightly emphasized but easily learned, but that’s more a matter of nuance in prioritization of principles rather than the existence or not existence of them.
Anyway, applying this principle, I like to observe history and see if I can understand what lessons we’ve learned, what lessons we’ve seen emphasized heavily, and general trends of the direciton we’re heading, and I think these are consistent with my understanding of the nature of God. However, if I were to begin to notice a trend in the behaviors of people that contradicted my understanding then, similarly, under this principle, it would potentially fundamentally affect my faith as well.
Yes and no. To address the no first, I don’t really believe in heaven in the way that most Christians do, mostly in that I don’t see our individuality as we understand it having the same meaning in that context. I’m unsure exactly what that entails, as it isn’t something I’ve given a whole lot of thought to yet, with other higher priorities, but I think it might help you understand my response to the other part of the question.
The yes is that the existence of options and the ability to choose between them is what constitutes free will, but that we objectively know the optimal choice and thus maintain to choose that one is not a violation of free will.
Let me try an analogy. Imagine you’re playing a game of tic-tac-toe. If one knows nothing about the game and choices of moves are essentially random, sometimes one will make good choices that might lead to a win or tie, and sometimes one might make poor choices that lead to a loss. I’d equate this utter lack of knowledge of the game to much how we experience free will in every day experience. As you get more experience playing, you start to notice patterns and can more often avoid moves that lead to losses. This is the process of us learning and understanding the moral and ethical rules that should help us understand what choices we should and shouldn’t make. Eventually, because tic-tac-toe has a small number of states, one can objectively know exactly what move to make in any given state to guarantee one will not lose. One is still able to make poor choices, but being able to see and understand totality of the consequences, one will not want to choose anything but the optimal move. This is how I see the ideal sense of free-will.
Thus, that one chooses not to make sub-optimal choices does not undermine the ability to do so and, as such, free-will can, and in my belief does, exist in heaven in as much as it does on Earth.