Answer:
Showering 10000%. You smell good you're good.
To prevent being under weight, you need to eat right. Providing your body with nutritions and protein
While athletes' protein needs are greater than that of non-athletes, they're not as high as commonly perceived. The Academy of Nutrition and Dietetics, Dietitians of Canada and the American College of Sports Medicine recommend 1.2 to 2.0 grams of protein per kilogram of body weight per day for athletes, depending on training. Protein intake should be spaced throughout the day and after workouts.