a lot of knowledge workers indeed use it (and ritalin/MPH) as a productivity enhancer it feels (a bit too) good and helps for a while if you have an addictive

a lot of knowledge workers indeed use it (and ritalin/MPH) as a productivity enhancer it feels (a bit too) good and helps for a while if you have an addictive personality, you'll find out that, eventually you'll start abusing it, and there will be no turning back. you'll HAVE to 100% quit.