First of all, chest training requires you to keep fit for a long time and manage your diet and work and rest scientifically. At the same time, you must master the methods of chest muscle augmentation and pressure-oriented control. Fitness instructors often instruct some girls to practice hips and breasts and lose weight. You don't have to be embarrassed. Try to be outgoing and positive, so that when teaching you, you can learn quickly and the instructor can teach easily.