If you want to lose weight, I think you should never skip meals or eat less. . . This is very bad for yourself, not only will it not be reduced, but it will cause some harm to the body. You can practice and become better. Stick to it and the effect will be good. . Yes . . As for the piano, dance and other issues. . I suggest that if you really want to learn or have talent, you can read more books on this subject and try to figure it out for yourself. . . (or sign up for this class)