How does a skinny person gain weight 👈

To gain weight, a skinny person must consistently consume more calories than their body burns (a caloric surplus) by adding 300 to 500 extra calories per day, eating more frequently, choosing calorie-dense foods, and performing strength training to build muscle mass rather than just storing fat. 

Eating for Weight Gain

Eat more often: Add two extra mini-meals or snacks between your standard breakfast, lunch, and dinner. 
Choose calorie-dense foods: Opt for foods that pack high calories in smaller portions, such as nuts, nut butters, seeds, cheese, avocados, and healthy oil
Drink your calories: Blend high-calorie smoothies or milkshakes with ingredients like whole milk, fruit, peanut butter, and protein powder when you feel too full to eat solid food
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Time your liquids: Avoid drinking large amounts of water right before or during meals so you do not fill up too fast. 

Building Muscle Through Exercise

Lift weights: Engage in progressive resistance training or bodyweight strength exercises (like push-ups and squats) 3 to 4 times a week to ensure the extra weight gained is lean muscle.
Eat enough protein: Include protein sources like eggs, lean meat, fish, and dairy with your meals to repair and grow muscle tissue.
Don't overdo cardio: Limit intense, long-duration cardio sessions, which burn off the extra calories you need for growth