Unhealthy and boring and in need of good advice. I also recommend that you push aside those old Buck Owens albums and put on some Led Zeppelin. And get a bicycle. And some girlfriends at least half your age.
Going from soda to water will probably cause a drop in blood sugar levels more severe than you'd like. I used to drink 1.5-2 liters of Coke a day, now I'm down to a bottle (0.35l) a day. What about smoothies? Both relatively healthy and tasty.... Though I suspect the less than masculine name, and appearance for that matter, might be a deal breaker for you... You don't strike me as a "little umbrella" person...
Hey, BSAM! Are your screen savers still set to 1 and 10 minutes? And do you still spend between 20 and 50% in the Chit Chat section?
Kombucha tea. Once you get over the fact their is a whopping great fungus making some of the flavour, it's awesome. To be fair, it pretty much tastes like iced tea......it's a starting point. Iced tea? Much easier to make.