Different people have different metabolism of caffeine and different reactions. It's very well documented. I'm one of those who have it easier to nap after strong coffee than before it. But I do love my espresso.
If you are looking for a reason to start a new better life with some different drug read about caffeine influence on adenosine. For some people coffee can influence their sleep pretty bad and that's no good.
Moderate amounts of coffee correlate positively with better health.
Also watch for slight dehydration and if you like it white - the fact that many people have at least a tiny lactose intolerance. In Italy almost nobody drinks coffee with milk after noon.
And really, statistically, it's one of the easiest popular drugs to quit. Maybe a few headaches here and there and you're done. It's mostly about the ritual and lifestyle.