I have caught a lot of grief for over 25 years about the amount of coffee I drink. At it’s peak, I could easily put down 2 10-cup pots of coffee a day, alone. Now that I’m down to about 3 cups per day, some people still give me grief, and suggest that I should just quit.
However, there are good medical reasons to NOT quit. And here is a link to a blog that goes over the play-by-play.