just started and need help gaining weight thnx!

ok so i have achalasia and i got the surgery and now i'm all better but i am still skinny i've gained 19 pounds since december of last year i am 4'9" and 80 pounds (13) everyone is always bothering me about it and i'm tired of it

so can you please tell me how and what to do to gain weight as soon as possible thank you! by the way how many pounds should i gain?

i would advice to got to the tool....then to the calorie target for you to find out how many calories you need in a day...then you should also find out your BMI....for you to know how far you are from your goal...otherwise i wish you luck.