The difference between the two is not that subtle. If I order a Coke at a restaurant and they bring out a Pepsi, I can tell immediate and usually send it back for something else.

I don’t have trained taste buds, but something in Pepsi is off putting to me. Worse is artificial sweeteners, which I think I’m have whatever mutation makes aspartame taste bitter. I could never understand why people like Diet Coke, but it turns out I’m the strange one.