We live in a world that has so many incredibly good things, sweet drinks, cute clothes, and way too many other things that seriously tests our self control. So what if we had a little allergy? Not death-inducing, nothing requiring an epipen. A low-level allergy that would deter us from getting too much of a good thing. If we lived in a movie, it could even be a very manly, omnipotent voice that would stop us in our tracks as we reached for one more cookie or tells us to go to bed when we’re s...