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Peeing to get warm?
So I was camping and it was cold. My friend goes "pee if you get cold, since your body will expend less energy keeping the extra liquid body temp."
That got me thinking. It's kind of moot since when you have to pee, you have to pee. But it applies to other stuff too. Like is an empty house more easily kept warmer because it has less stuff in it to warm?
It seems that starting from neutral and increasing temp would make a difference if you had extra matter in the equation, because it will absorb some of that energy, but if you've already drunk the water, and your body has already heated it, then I'm not sure it follows if it would require more energy to continue keeping your pee warm.
Any math/physics gurus that can confirm?
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