Speaking is, like many of our functions, mostly authomatic. You don't need or want to consciously think about it all the time. Often you make mistakes but then you can use a conscious effort to fix those mistakes. Alot of times you don't even have to fix the mistakes since they are obvious or minor. I usually just lough it off when I open the fridge instead of the closet. I'm happy with this evulationary tradeoff.

Trying to explain freewill in terms of a soul is begging the question. Appealing to randomness is replacing one kind of prison with another. Compatibilism, no matter how you define it, is another illusion.

Freewill is nonsensical.