Trying to gain weight
most people try and lose weight, im trying to put some on, im 22 year old male, im 5'7 and 136lbs, im trying to get into shape, i have a little gut on me but im tryin to gain weight/muscle in my arms,chest,shoulders.. Whats the best way to do that? i can eat fast food,junk food whatever i want and my weight doesnt…