Your internal voice will always present both sides of the argument, so if you are struggling with something and you stop and think, the chances are you will think something you have thought before. In terms of making choices that affect your health, if you love pizza and think often how good it tastes, then when trying to lose weight and make a different choice you stop and think about it before you decide, the thought you are most likely to have, is how delicious it is! That's clearly not going...