Same here. I only drink coffee to make me focus, I don't care much about the taste. If there wouldn't be such a thing as coffee I probably would have to self medicate with adderall or ritalin.
I always struggled to pay attention in class a few decades ago, and when I look at my college career I can connect the dots and match up massively improved academic performance with when I started significant coffee consumption.
Nowadays I’ve discovered my “dose” and rarely exceed it. Even with tolerance effects, it still provides that same sharpness and focus. Given the semi-recent vindication of its health benefits and neuroprotective effects, I see no reason why I’d ever stop.