Diet carbonated drinks just make me gassy. I’d rather have the sugar from a regular Coke and just not drink one every day, or multiple ones per day. I have co-workers that drink 6-8 per day.
I find the “tiny” cans which are only 7.5 are about the perfect size. 3-4 drinks, only 80 cslories, a small bump of sugar...if I drink a 20oz bottle I usually can’t finish it as it’s way too sweet. Turns out the original size of a bottle of Coke was 6.5 ounces.