The way I see it, plain water flushes your system out without straining on your liver, kidneys and other inner organs that might work some magic on anything we consume.
This is why water is better than anything else. Nature built us to drink water, not to flavor it with chemicals.
Drinking pure water is simply a matter of habit. Give it a few weeks and you'll be used to it.
I'm not saying that you can't drink anything else, just don't count anything but waster as water intake.
Hope it brings you closer to an answer.
"Losing weight is never about eating as little as possible"
"Eating enough, moving more, not eating stupid s**t = losing weight."
"Do. Or do not. There is no trying."
- Master Yoda.
I started my weight loss journey on October 4th, 2010 - and this is what I have accomplished so far: