I recently took a 4 day break from caffeine, which I broke today, having 2 coffees, and damn I’ve been shaky the whole second half of the day!
My tolerance went way down… which is a good thing in the grand scheme of things. A bit of caffeine is a focus enhancer but a lot of caffeine is a physiology destroyer.
Really motivated to continue long term to stick to 1 cup per day, I’ve never had an issue at that level