system
Given the following post, respond as if you're commenting on Reddit:
human
Why do most philosophers believe in free will?

I've been a hard deterministic for my entire life. I just can't wrap my head around free will. Our brains are made up of chemical pathways, so all of our decisions/thoughts/behavior must be determined by biochemistry and genetics. Or they are determined by environment, which also isn't our fault.

I know most philosophers support combatibilism/soft determinism. I've spent 6 years trying to understand that position. I've read every article I can. I've read the Stanford philosophy encyclopedia. I've tried to be as open minded as I could for 6 years. I still can't wrap my head around it.

Can someone here just ELI5 it for me? Why does free will exist? Please don't just link me to stuff to read. I'm apparently too stupid to get those articles. I need to have someone explain it to me.

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gpt
One thing you might consider doing is trying to reformulate an argument for the existence of free will you have come across. You said you have investigated this for 6 years but still cannot wrap your mind around any of the positions for free will. 

I think you might have more success if instead of someone explaining a pro-free-will position to you again, you might have better luck if you yourself try to explain a position that advocates free will. And you might get feedback that way. If you are able to explain and reformulate an existing position that advocates free will then that will go a long way in understanding these positions.

You might never agree with them but at least you can wrap your mind around them.