Eating the grapefruit with the pulp slows the amount of juice coming into your body and allows your body time to digest it right. Keep your body hydrated with lots of water. If you don't like the way water tastes, drink Crystal Lite. The point is to eat a high fat food to get your through the morning. Watch the carbohydrate levels in canned vegetables and other foods.
Fruit is loaded with sugar.
Since it tastes so good, if it were allowed on this diet you might eat too much. Don't eat peas or beans. Don't be afraid of eating butter or full fat salad dressing. Don't eat croutons on your salad or any bread. This is the hardest part.