How to gain weight? I am a male, 29 years old, with a height of 183 and a weight of 120. After going to the gym for more than a year, I showed a little muscle mass, but I didn't gain any weight.

Fitness rules: 3 points by practicing, 7 points by eating.

1, nutrition. Nutrition is the most important. You should supplement foods with high content in protein, such as beef, eggs and fish.

2. training. We must strictly follow the plan and master the correct training movements.

3. Have a good rest. Ensure adequate sleep, especially after training.