food is more than 70 Calories per oz, which means 1100 calories a day. A SEDANTARY adult male needs at LEAST 1600 Calories a day, to sustain a body wt of 160 lbs. So, yes, you WILL need 2 lbs of food a day, MINIMUM, and if it's not ALL 150 calorie+ per oz type FAT trail food,you'll either need THREE lbs a day, or you are going to be using up your lean body mass, ie,your MUSCLES, to stay in pursuite of a man. 