Didn't drink coffee until I was 17. Then I got a job at a Starbucks. Changed that right quick.
Used to drink lattes and frappuccinos all the time depending on the weather, but... it left a mark. Still trying to lose the weight I gained while working there. (You get free drinks on shift, 1 every hour, very easy to drink 600+ calories a day without noticing.) Now I prefer iced coffee, skim milk with very little sugar.
Edit: Also yes, if you're a chronic coffee drinker you quickly learn to pick up your toothbrush more often to solve coffee-breath. Or move in with people who don't care, I suppose.