The following living habits may be changed after fitness: 1. Eating habits: After fitness, people will pay more attention to the health and balance of diet, eat more high-protein foods and control the intake of high-fat and high-calorie foods.

2. Sleep habits: Fitness needs enough sleep to restore the body, so people will pay more attention to the quality and time of sleep after fitness.

3. Exercise habits: After fitness, sports will become a part of daily life, and people will exercise more regularly and choose the fitness method that suits them.

4. Body posture: Through physical exercise, people will adjust their body posture to avoid pain and injury.

5. Psychological state: Fitness can relieve stress and improve mood, so people after fitness will be more positive, confident and optimistic.