Googling it, 70% of FFM is water. Yeah, I've swung 10lbs in 24 hours just going from well fed to fasted without water. And it certainly wasn't fat I lost, just

Googling it, 70% of FFM is water. Yeah, I've swung 10lbs in 24 hours just going from well fed to fasted without water. And it certainly wasn't fat I lost, just water and I'm surely any mass in my... various tracts.