Of course you know why you made your choices.
The reasons all exist in your conscious awareness in which you have the freedom to contemplate what is possible and what you consciously choose - not what the past has dictated.
Which is just a trite little storybook version that
ignores the actual question, followed by one of you usual baseless assertions.
If this process took place with
exactly the same starting point, and
exactly the same conditions as it proceeded, then if it
could have reached a different conclusion, then there can be
no possible reason for the difference, so it would be
random.
Logically, we make choices according to the person we are, our state of mind at the time, and the circumstances we face. Anything else would no be
our choice. We are the person we are because of the past (nature, nurture, and experience) our state of mind will be due to our immediate past, and the circumstances are external.
There is no place for your self-contradictory nonsense version of 'free-will'. It's
logically impossible and its impossibility has
nothing to do any assumption that we must be entirely physical beings.
Why don't you ever pause your silly script and stop and
THINK for once in your life?
[Cue mindless evasion like "But how can I stop and think when I don't have magic, la-la land 'freedom'?"]