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Because:
1. No one chooses:
- what predisposition they will have (what will be liked or disliked, and to what extent);
- the conditions they will be born into;
- what will happen to them later and how those events will affect them.

2. Action isn’t initiative, action is a reaction to a change in circumstances.

3. What we call choice is, in practice, working out which option we perceive, based on our experience, as the one that will improve our state the most.

In other words, living means watching the film you were given and experiencing it, rather than being its screenwriter, director, etc.

Therefore:
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It does not matter whether anyone knows the outcome: what matters is that acting outside the logic described above is impossible. Even if someone deliberately starts choosing worse options, they are still acting on the same drive to protect themselves from greater pain by defending their beliefs – an attempt to keep their state from getting worse, not an act of free will.
All of these are invented, illogical concepts whose use causes varying degrees of pain-stress through guilt, lack of self-trust, judgments, comparisons, belief in discipline, etc.