Does a high water based food diet work?

Lisa asks…Does a high water based food diet work?I watched a video on youtube where this woman was saying to eat lots and lots of fruit until noon then you can eat whatever you like (in moderation - don't BINGE EAT) for the rest of the day until 7 PM. I can't remember the rest of the stuff, but do you think this would work to help flatten the belly? My idea of a diet is something I'd try to do for the rest of my life. Do you see any future problems occurring from a diet like this? I assume

diet food