① ② There must be
Breakfast should be light. Don't eat fried dough sticks, oil cakes, chocolates, hamburgers and other things.
Lunch: Eat more vegetables and drink more vegetable soup in the first week. You can only eat miscellaneous vegetables in the first three days, and eat less vegetarian dishes such as boiled meat in the next few days instead of pasta. Try not to eat greasy food in the second to fourth weeks.
Remember: chew slowly, eat less and chew more, and delay eating for 20 minutes or more.
I have already experimented and lost 20 Jin. I hope it is useful to you and can be adopted.