work out. space out your meals and make sure you get 20-30 grams of protein every three hours. thats about 5 meals a day. if you're not eating that many meals you might not need a weight gainer shake. all depends on how many calories you take in.
or you can go on the famous flyingiguana diet. 3 times a day visit a different fast food joint. you'll gain weight in no time.
