It is really quite easy because you are constantly turning fat into energy and water. It is very surprising I know. There is no new biochemistry or magic here. The formula clearly shows that one of the results of burning fat in the body is H2O.
Shower or sit in a tub. Doing this a few times a day was very, very beneficial.
On the last few days of a June 7 day dry fast, believe it or not ASMR videos of people drinking was super helpful. The gulping sounds activated my mirror neurons which provided vicarious relief.