So I guess I have a really fast metabolism so I can eat so much an never gain any weight. The doctors i go to keep asking me if I'm starving myself any everyone around me keeps telling me I lost weight. I don't know why I started losing weight but now I'm hitting the 90's (I'm 16 btw) I am aware that I'm very thin an I really want to gain more an fast. Do anyone know what things I can eat to gain ALOT of weight an fast ?