logically i think that you are very toxic and are not done rinsing your body.
in the book it mentions hot bms when excreting toxins. the heat i would imagine be from the acidic content of the waste.
from what i have read medically when you are in starvation mode your body becomes acidic. perhaps try have two spoons of syrup and make sure you are getting at least 6 lemonades a day so you have calories and vitamins to live on.
heres it explains more on the acid levels of urine and saliva: