Need Appetizer Drug!

Patient: I’m 22yrs Boy . i cannot gain wieght . i;m very thin. i don;t feel like eating .although i would like to eat . i eat very less. but i would like to feel hungry. And i have very small arms. i feel very digusting . i need to gain weight. i smoke also 5 to 6 cigrette per day .please help doctor

Doctor: