Funda ukuthi ungalungiselela kanjani i-water fast, uqonde imiphumela yayo engokomzimba, uphathe umswakama kanye nama-electrolyte, uqede i-long fast kancane kancane, futhi uqaphele ukuthi kunini lapho kungadingeka khona ukuqapha noma isiqondiso sezokwelapha.