Cravings, Worry, Procrastination and Satiety

What's the best way to satiate an appetite? And, how do we handle the cravings from worry so not to eat? Seems we learnt it as youngsters and it leads to procrastination. How much was our diet involved with our growth and development of our will power? Over Coming Procrastination by Jane Burka talks about the mental aspect, but we eat, too, to try and soothe ourselves. Maybe one is connected to with the other? What works for you? Any tips? Insights? Prayers?