The chest volume supported by the pectoral muscle alone seems to be separate, because the pectoral muscle is the highest in the clavicle and the fat bulges below the clavicle. Estrogen can affect the distribution of body fat, which is the main reason why women have more fat in chest, buttocks and legs than men. We can find some ways to improve naturally. I never understood.
Adult men who don't need protein's strength training of 2 grams per kilogram actually don't need to be so tall. The average carbohydrate is about 1.5. When training with athletic ability, it is generally four to five times that of protein. If you lose fat, you should reduce it appropriately.
What you eat after fitness is not fixed, so you can eat a balanced diet according to your appetite and intake needs.
If chest muscle training is mainly pushing and dumbbells are light, you can try one-handed push-ups with large muscles. If you can pull 20 ropes, you should consider increasing the weight and keeping the number around 10, and then consider the high number of auxiliary training.