If you have ever been on a diet, many of them want us to count something like calories, or fat grams or how many carbs we eat (macro-nutrients.)  We have to measure or weigh all of our food and spend lots of time trying to get the exact count perfect.  At least this is what I did for a long time.  I am betting you have had experience with it to. Ok, this is super embarrassing for me to admit, but at one time I was unbelievably obsessed with making sure I ate the EXACT amount of calories  or m...