Phase 1 lasts 9 days.
Phase 2 lasts 3 weeks.
Phase 3 lasts 4 weeks
Phase 4 lasts for life. You'll continue to lose weight on this phase until you reach goal. At that point, you'll increase your portions a little so that you maintain your weight and stop losing. I guess this is a good lesson that we never really go off the diet, no matter which diet plan we choose. We just learn to eat better
I think most people are giving up coffee, but it's a personal choice. If you drink a lot of coffee, you may find that you need to wean yourself off and not quit cold turkey.
Hope that helps