That said, my consumption levels have been sane for a few years now. I understand the negatives of over consumption but I don't fully understand the case for elimination?
If you drink soda or add cream/sugar to your coffee or tea, you may also find yourself losing some weight from stripping out the empty calories.
Since I quit caffeine (or stopped habitually drinking it every day)I noticed I am so much productive when I actually do drink a cup of coffee or strong tea. I'll be focused and fast. A little worrying to me to have an addiction so I can be more productive at work. It helps with my art hobby too.
Part of me wonders if I have undiagnosed adhd or something since the caffeine is so effective and making me focus and work better?
However, I find when I quit over longish periods (months), i start to lose my focus at work, and become quite scatterbrained and not really productive. I probably would have been some form of ADHD when I was a kid, and in the real world, it seems caffeine keeps me on track and productive (and probably most importantly, motivated) when sitting in a chair and staring at a monitor all day... without the coffee, I'm just scatterbrained and not getting work done.... If my day job were different, I don't think I'd need all the caffeine... I dont usually have sleep problems if I cut myself off by 2 or 3 pm... and I don't usually have more than 2 cups/day.
It probably doesn't help that I love the taste of coffee...
When I quit caffeine cold turkey, the side effects were immediate, but getting over the side effects only took days. Then feeling the benefit only took days after that.
So each hit was sudden and very noticeable, where as I suspect trying to slowly wean yourself off over months misses that sudden hit one day of "wow, I just feel so awake"
And on nights I got less than 8 hours, wow, I couldn't do it without caffeine.
N of 1: I had a similar experience to the author. I was fine for a few weeks, slowly weening down my caffeine intake (I did get to zero eventually w/o headaches).
But I never felt quite "right." I always felt a little slow/sluggish, and I missed the routine. Perhaps work just isn't as interesting without caffeine?
Anyway, I'm back on it now, but I limit myself to one cup per day (and perhaps a second 1-2 days a week).