I will add my anecdote to the mix. I previously consumed caffeine in the form of soda for many, many years. I quit soda cold turkey two months ago after a mild

I will add my anecdote to the mix. I previously consumed caffeine in the form of soda for many, many years. I quit soda cold turkey two months ago after a mild but particularly meaningful magic mushroom experience, and coupled with the regular mushroom experiences my focus control has been better than ever (but still extremely difficult, just enough less so that I can tell the difference).