I am entering the fourth day of my vegetarian fast for the Nine Emperor Gods Festival. The Taoists believe that honouring the Nine Emperor Gods (Northern Dipper stars) prolongs one's life, eliminate calamities, and absolves sins and past debts of oneself and ones family.
I have been going on this fast since I was in my teens. I had breaks during the years that my grandparents, aunt and parents passed away. When in mourning, it is not advisable to go on this fast.