If it's worth saying, but not worth its own post (even in Discussion), then it goes here.
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1. Please add the 'open_thread' tag.
2. Check if there is an active Open Thread before posting a new one. (Immediately before; refresh the list-of-threads page before posting.)
3. Open Threads should be posted in Discussion, and not Main.
4. Open Threads should start on Monday, and end on Sunday.
Yes, it won't work for people who can't manage a day without eating at least from time to time, although you can also try slowing down the rate of change.
As I said in another comment, changes in water retention (and scale flucuations etc.) don't really matter because it will come out the same on average.
Volatility matters. Imagine that one day the temperature in your house was set to 50F (+10C) and the next day -- to 90F (+32C). On the average it comes out to 70F (+20C), so it's fine, right?