Don't listen to these people. it looks like you can absorb only certain amount of nutrition no matter how much you eat. for example, if you eat something, you can only absorb 50% of nutrition. So if you are eating 3 times a day, divide the same amount of food you eat into 6 times a day. This way I gained 50 lbs from 110lb to 160lb(6ft)
EAT ALOT is not going to work. Eat regularly.