As someone who just switched from water to occasionally indulging in soda, I gotta say, it's not just the sugar hit. The carbonation really makes it more enjoyable, and it's a nice way to change up your drink roster every now and then. Try looking into sodas with natural sweeteners …
Honestly, I think if coffee were new, the health gurus would be all over it. 'It's got antioxidants but watch out for that addiction!' There'd be so many debates about whether it's good or bad for you, just like with wine and chocolate.