Oh my God! I forgot to reply to this comment. Please forgive me Jocey!
I guess no matter how you start drinking it, you can get addicted to it pretty fast, especially if you convince yourself that this black addictive "drug" is the cure for everything, like fatigue, headache, low blood pressure, you name it.
But the difference between you and me is, that I've been drinking strong espresso, while the American coffee is like a light tea. Imagine the damage of a strong espresso. So I guess you've been safe with those very light coffees.