I need more sleep. I don't get the full 8 hours that I should every night, and waking up in the morning can be so painful! So another one of the things I want to try to do this year is cut down on my caffeine intake. I don't drink coffee, but I *love* chai lattes and Coke Zero, and I drink a chai or a diet cola probably 5 days a week. The caffeine definitely makes me jittery, and after a month of drinking a lot of Coke Zero (when I had a case at home) I could see a real, yucky difference in the color of my teeth. :-(
So, for lots of reasons, I'm going to try to cut back on the cola and the caffeine in general. I've switched back to my old standard, diet Sprite, to have at home. I do still appreciate carbonation every once in a while, so I'm not giving up on soda itself, just the caffeinated colas. And it's going to be hard to resist those Starbucks runs every morning at work!