What Is A Step of Faith Anyway?

Yesterday was the first day of the 21 day fast. I thought to myself, “I can do this.” At the same time, thoughts of my readiness or lack thereof for it also surfaced. How do I know I can do this? It sounds fairly simple, but when I think about it more, the more impossible it sounds. I’m not very seasoned in this area of fasting all foods for 21…