While dogs do not require the starch found in grains or potatoes or any other food, there are some instances where you still might derive benefit from them being there. For instance, grains (and starch-containing tubers) contain certain fibers that are beneficial for the growth of probiotic bacteria in the gut.
Your level of self-confidence can show in many ways: your behavior, your body language, how you speak, what you say, and so on. Look at the following comparisons of common confident behavior with behavior associated with low self-confidence. Which thoughts or actions do you recognize in yourself and people around you?
Here's what you gain: Deepen your sense of personal responsibility for your health. Discover the areas of life you are most motivated to change. Learn how to use small steps for continual improvement. Connect to a deeper sense of meaning in your personal life.