Liposuction removes fat cells permanently, but if you gain weight, it may alter you results or the fat may return to the site at which you had surgery. Maintain your weight to help your surgery result keep the appearance you desire.   It’s best to keep a steady weight. While it might not affect you significantly to gain or lose a pound or two, gaining larger amounts may significantly alter your results. Staying active and keeping a healthy diet can help you maintain your weight. Eating healthy, balanced, and regular meals can help maintain your weight. Foods that have moderate fat, complex carbohydrates, and are high in nutrients, for example, are best for your general health.  Stick to a diet of about 1,800-2,200 nutrient-rich calories a day, depending on how active you are.  You will get proper nutrition if you incorporate foods from the five food groups every day. The five food groups are: fruits, vegetables, grains, proteins, and dairy.  You need 1-1.5 cups of fruit per day. You can get this from eating whole fruits such as raspberries, blueberries, or strawberries, or from drinking 100% fruit juice. Make sure to vary the fruits you choose so that you get a range of nutrients and don’t process them in any way. For example, eating a cup of pure berries is much cleaner than eating berries on top of a cake. You need 2.5-3 cups of vegetables per day. You can get this from eating whole vegetables such as broccoli, carrots, or peppers, or from drinking 100% vegetable juice. Make sure to vary the vegetables you choose so that you get a range of nutrients. Fruits and vegetables are an excellent source of fiber. Fiber will also help you to maintain your weight.  You need between 5-8 ounces of grains per day, of which ½ should be whole grains. You can get grains and whole grains from foods such as brown rice, whole wheat pasta or bread, oatmeal, or cereal. Grains will provide you with vital Vitamin B, which can help aid slowed digestion.  You need 5-6.5 ounces of protein per day. You can get protein from lean meats...

TL;DR in Vietnamese:
Kiểm soát cân nặng. Ăn uống lành mạnh và điều độ. Tránh ăn thực phẩm không lành mạnh. Thực hiện các bài tập tim mạch. Thực hiện các bài tập phát triển sức mạnh.