heres my stats: 41 years old 5foot 10 inches about 230-240 lbs i keep telling my wife i am in shape round is a shape but i digress my question is does anyone condition themselve by just walking everyday but with their pack on ? i can walk miles i do it in the woods every fall but i am only carrying a gun and a fanny pack. i dont want to start this season by crapping out on my first adventure any ideas