Figured I might as well take advantage of this thread to ask the opposite question: what is the best way to gain weight? I stopped gaining weight at around 17

Figured I might as well take advantage of this thread to ask the opposite question: what is the best way to gain weight? I stopped gaining weight at around 17 and have weighed 120 since. I wish I could eat more but I am just not that hungry every day, it's hard getting in my 3 meals.