I'm not a big soda drinker at all. If I do have it, it's ginger ale, especially for an upset stomach. But otherwise, I've successfully trained my mind to believe soda's completely bad for me, just like hot dogs, twinkies and similar ho ho's, and fast food. So bad, my mind has been tricked into believing they taste awful.
I just wish I could do that with ice cream, chocolate, and pizza. :-P