Someone tell this guy about Hartalika Teej, Karva Chauth, Jitiya, Chhath, Nirjala Ekadashi, where people don't have a drop of water.
Not to mention Navratri, Savan Somvars, Janmashtmi, Shivaratri, Pradosh and Ekadashi, where only fruits are consumed ideally.
This is a hindu fasting btw.