I actually switched to coffee. I was drinking too much Diet Coke. So i added one double espresso most days, sometimes 0, sometimes 2. And then I try to cut the diet I Coke in half.
My stomach didn't like the diet Coke, it tolerates the coffee a little better especially if I don't drink it on an empty stomach.

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"When people want their version of the truth, they go find it, no matter how baseless their beliefs." -- Ken Rosenthal