I used to be a heavy coffee drinker. Probably on the average day, thermos (2 cups I think) before getting to work, probably 3 cups before lunch, another couple after lunch and a once I’ve gotten home. Although I never associated it, it was to the point that I’d often have a headache if I slept in on Saturday – I would end up with a headache when I woke up, fixed usually by a cup of coffee. Just sort of thought I was sleeping bad at the time, and that it was sort of a necessary evil of work schedule, sleeping less than I should, etc.
Maybe 6 months ago, my g/f was told to cut out coffee among other things IIRC correctly because of reflux, so I in turn cut it out as well. First day or two was rough but the adjustment came pretty fast. Every so often I still crave it but it’s no longer terrible. If I get something like a free cup coupon, I’ll grab one, but it’s rare. It’ll get better. I do overall fell better I suppose, nice to not rely on it so much any longer.