Good for you! My stomach hurt for 2 weeks and it took awhile to get to sleep because I quit eating ice cream before bed.
One can of coke contains 24 restaurant packs of sugar. I drank 5 per day or 1 and 1/4 cup of pure sugar.
There are some tricks where you can still have some. See may article about "How I dropped my weight 40 pounds and kept it off for 31 years without special diets or exercising" long before the Keto diet.