Been fasting for four days now, i'm on a diet (i want to see what Africans feel like). but I have been drinking water is that still fasting?

the title says it all my stomach hurts ohhh im 16 years of age 6 foot male 220 lbs my waist is 37 in I don't know people say i dont look it i think they are just lying to be nice but im scared shit less of geting diabetes cuz this girl in my class just got it from being to big not to sound like a dick.
Been fasting for four days now, i'm on a diet (i want to see what Africans feel like). but I have been drinking water is that still fasting?
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