1. Changes in physical appearance: After a year of exercise, you may find that your body shape is more symmetrical and your lines are more distinct. Muscles may become stronger, fat may be reduced, and skin may become stronger and more elastic.

2. Improvement of physical fitness: After a year of keeping fit, your physical fitness in all aspects, such as cardiopulmonary function, endurance, strength and speed, will be obviously improved. You may find that you can do more exercise and feel less tired.

3. Improvement of mental state: Exercise can help release endorphins, a natural pleasure hormone. After a year of fitness, you may find that your mood is more stable, your stress level is reduced, and your self-confidence and self-esteem will be improved.

4. Changes in living habits: In order to maintain a healthy lifestyle, you may start to pay more attention to the nutritional mix of your diet and avoid eating too many high-calorie foods. In addition, a good schedule and adequate sleep will also become a part of your life.

5. Expansion of social circle: Participating in gym or sports club activities can make you know more like-minded friends and broaden your social circle.

6. Love sports: After a year of fitness, you may love sports more and enjoy the happiness and sense of accomplishment brought by sports. This will further motivate you to keep active exercise habits in your later life.