No one's health is improved by swapping out natural saturated or monounsaturated fats for skim milk, sugars or processed grains. So if you encounter misbegotten products such as fat-free half-and-half, do what I do -- leave them on the shelf.
The hard part is listening. No one can do it for you. There isn't a 10 day diet for it. It can start with meditation, a nature walk, being inspired by a poem, or a number of other things.