By the time your body rebels and you feel the pain of a flare up, there’s some serious damage. Think of it like having a cut on your hand. If you rest your hand, and don’t flex or move it, it will heal much faster than if you continue to work, get it dirty, and don’t change your habits. Your digestive system is no different. During a flare up, eating causes digestive system movement and work so it can slow healing and keep you down longer.