Hello My Name Is Joseph, I'm A 16 Year Old

Hello my name is Joseph, I'm a 16 year old male, I've been going to the gym everyday for about an hour and half a day for the last 2 months I really want to put on weight and bulk up but everytime I eat when I'm not hungry I gag on it or even if I'm hungry and wanting to eat more sometimes I can't because I just feel too full how can I work out eating more