figure out how to prepare food at home and how to order in restaurants. that takes time. typically it takes at least a few weeks if not a couple of months to get good at the diet. and it's usually in the range of a couple of months - minimum - that it takes to really begin to see substantial improvement.
so my general recommendation is to give the diet a careful two months minimum before you then decide whether you need to take further steps, which we're going to talk about later - step three in my program. and even if you succeed at two months by following the diet 