decaffeinating becky

I'm trying to decaffeinate myself per my doctor's orders. Fortunately, she understands that Becky without caffeine is not a pretty picture, and she told me to allow myself a little caffeine. I'm trying to go with one caffeinated beverage per day. Today, I made it to 12:15 before I cracked open a Diet Dr. Pepper.

I love coffee, but I don't usually drink it for the caffeine--I prefer to get my caffeine from pop. I think maybe I'm equally addicted to caffeine and fizz. Anyway, I thought I could just make the switch to decaf. But now I've been hearing some scary things about decaf. What's a girl to do?