I am Pre-Training to become a Navy Seal its been my dream ever since ive been born, i know i am starting early i am 13 but i really need this any help on how i can do :42 pushups in 2 min 50 situps in 2 min swim 500yds in less than 12:30 do 6 pullups in 2 min and i can run already run 1.5 miles in 11 min actually 9 min. Without killing my body